unstring-20
刘耀文的大沙雕
钟意阿满
帮忙参考下这几款网球拍,谢谢
un20是指UN包装是危包证上的UN包装容器标记，20表示生产年份。国家规定，生产出口危险货物的企业，必须申请检验检疫机构进行包装容器的使用鉴定。使用未经鉴定合格的包装容器的危险货物，不准出口。包装容器标记其实就是包装性能单上的包装容器标记，是包装厂去申请的，性能单就是对包装容器鉴定认定合格的一种结果。危包证上同样也是这个包装容器标记。
抱起亚轩找小葵
螺纹1/2 20UNF直径多少
不用想了 女生初学者 就这个 拍面大 甜点大，适合女生打，其他几个都不必考虑了。
1)邓禄普DUNLOP-NEUTRON TECH 275＋网拍 。
材质:碳素钛合金
LENGTH:27
HEADSIZE:108
UNSTRING WEIGHT:275 。
BALANCE:320
STRING TENSION 50-60 。
PATTERN:16X19
大圣杰锅是
小学英语不规则过去式
UNF1/2-20是美国统一螺纹的细牙螺纹（粗牙螺纹的代号为UNC，超细牙螺纹的代号为UNEF），大径为12.5毫米（1/2英吋），小径为11.33毫米。螺距为每英寸20牙。
小韩在追星
关于cobol有关的书面练习题
abide 居住
abode, abided
abode, abided
alight 下车
alighted, alit 。
alighted, alit 。
awake 唤醒
awoke
awoke, awaked
be 是
was, were
been
bear 忍受
bore
borne, born
beat 击打
beat
beaten
become 变成
became
become
befall 发生
befell
befallen
beget 引起
begot
begotten, begot 。
begin 开始
began
begun
behold 注意看
beheld
beheld
bend 鞠躬
bent
bent
bereave 剥夺
bereaved, bereft 。
bereaved, bereft 。
beseech 乞求
besought, beseeched 。
besought, beseeched 。
beset 围攻
beset
beset
bespeak 预约
bespoke
bespoken, bespoke 。
bespread 铺盖
bespread
bespread
bestrew 散放
bestrewed
bestrewed, bestrewn 。
bestride 跨坐
bestrode
bestridden, bestrid, bestrode 。
bet 打赌
bet, betted
bet, betted
betake 前往
betook
betaken
bethink 想起
bethought
bethought
bid 出价
bade, bid
bidden, bid
bide 忍受
bode, bided
bided
bind 绑
bound
bound
bite 咬
bit
bitten, bit
bleed 流血
bled
bled
blend 混合
blended, blent 。
blended, blent 。
bless 祝福
blessed, blest 。
blessed, blest 。
blow 吹
blew
blown
break 断开
broke
broken
breed 产生
bred
bred
bring 带来
brought
brought
broadcast 广播
broadcast, broadcasted 。
broadcast, broadcasted 。
browbeat 严斥
browbeat
browbeaten
build 建筑
built
built
burn 燃烧
burnt, burned
burnt, burned
burst 爆炸
burst
burst
buy 买
bought
bought
can 能
could
-
cast 铸造
cast
cast
catch 抓住
caught
caught
chide 责骂
chid, chided
chid, chidden, chided 。
choose 选择
chose
chosen
cleave:
分裂
cleaved, cleft, clove 。
cleaved, cleft 。
打通
clave
cloven
cling 粘附
clung
clung
clothe 穿衣
clothed, clad
clothed, clad
come 来
came
come
cost 价值
cost
cost
creep 爬行
crept
crept
crow 报晓
crowed, crew
crowed
cut 切
cut
cut
dare 敢
dared, durst
dared
deal 处理
dealt
dealt
dig 挖洞
dug
dug
dispread 扩散
dispread
dispread
do 做
did
done
draw 画
drew
drawn
dream 做梦
dreamed, dreamt 。
dreamed, dreamt 。
drink 喝
drank
drunk
drive 驾车
drove
driven
dwell 细想
dwelt, dwelled 。
dwelt, dwelled 。
eat 吃
ate
eaten
fall 落下
fell
fallen
feed 喂
fed
fed
feel 感觉
felt
felt
fight 打架
fought
fought
find 找寻
found
found
flee 逃跑
fled
fled
fling 派出
flung
flung
fly:
飞
flew
flown
逃逸
fled
fled
击飞
flied
flied
forbear 克制
forbore
forborne
forbid 禁止
forbade, forbad 。
forbidden
forecast 预报
forecast, forecasted 。
forecast, forecasted 。
fordo 损毁
fordid
fordone
forego 居先
forewent
foregone
foreknow 预知
foreknew
foreknown
forerun 作先驱
foreran
forerun
foresee 看穿
foresaw
foreseen
foreshow 预示
foreshowed
foreshown
foretell 预言
foretold
foretold
forget 忘记
forgot
forgotten, forgot 。
forgive 原谅
forgave
forgiven
forsake 抛弃
forsook
forsaken
forswear 发假誓
forswore
forsworn
freeze 冷冻
froze
frozen
gainsay 反驳
gainsaid
gainsaid
get 得到
got
got, gotten
gild 镀金
gilded, gilt
gilded
gird 束缚
girded, girt
girded, girt
give 给予
gave
given
go 去
went
gone
grave 铭记
graved
graven, graved 。
grind 磨
ground
ground
grow 成长
grew
grown
hamstring 残废
hamstringed, hamstrung 。
hamstringed, hamstrung 。
hang:
挂
hung
hung
吊死
hanged
hanged
have 有
had
had
hear 听
heard
heard
heave 力擎
heaved, hove
heaved, hove
hew 砍劈
hewed
hewed, hewn
hide 隐藏
hid
hidden, hid
hit 打
hit
hit
hold 拿住
held
held
hurt 伤害
hurt
hurt
inlay 镶嵌
inlaid
inlaid
keep 保持
kept
kept
kneel 下跪
knelt, kneeled 。
knelt, kneeled 。
knit 编结
knitted, knit
knitted, knit
know 知道
knew
known
lade 舀水
laded
laded, laden
lay 放置
laid
laid
lead 带领
led
led
lean 倾斜
leaned, leant
leaned, leant
leap 跳跃
leapt, leaped
leapt, leaped
learn 学习
learnt, learned 。
learnt, learned 。
leave 离开
left
left
lend 借出
lent
lent
let 让
let
let
lie:
躺下
lay
lain
撒谎
lied
lied
light:
点燃
lit
lit
照亮
lighted
lighted
lose 丢失
lost
lost
make 做
made
made
may 可以
might
-
mean 意思
meant
meant
meet 见面
met
met
melt 熔化
melted
melted, melten 。
misdeal 处理不当
misdealt
misdealt
misgive 担忧
misgave
misgiven
mislay 放错
mislaid
mislaid
mislead 欺骗
misled
misled
mistake 弄错
mistook
mistaken
misunderstand 误会 。
misunderstood
misunderstood
mow 割草
mowed
mowed, mown
must 必须
must
-
ought 应该
ought
-
outbid 中标
outbade, outbid 。
outbidden, outbid 。
outbreed 超产
outbred
outbred
outdo 胜过
outdid
outdone
outeat 多吃
outate
outeaten
outfight 击败
outfought
outfought
outgo 支出
outwent
outgone
outgrow 生长快
outgrew
outgrown
outlay 花费
outlaid
outlaid
outride 冲过
outrode
outridden
outrun 超越
outran
outrun
outsell 畅销
outsold
outsold
outshine 亮过
outshone
outshone
outshoot 发射
outshot
outshot
outsit 久坐
outsat
outsat
outspend 花钱过多
outspent
outspent
outspread 伸展
outspread
outspread
outthrow 扔出
outthrew
outthrown
outthrust 刺穿
outthrust
outthrust
outwear 用旧
outwore
outworn
overbear 压抑
overbore
overborne
overbid 漫天要价
overbid
overbidden, overbid 。
overblow 吹过
overblew
overblown
overbuild 建造过多 。
overbuilt
overbuilt
overbuy 买得过贵
overbought
overbought
overcast 遮蔽
overcast
overcast
overcome 克服
overcame
overcome
overdo 做得过分
overdid
overdone
overdraw 透支
overdrew
overdrawn
overdrive 超速
overdrove
overdriven
overeat 吃得太多
overate
overeaten
overfeed 喂得太多
overfed
overfed
overfly 飞过
overflew
overflown
overgrow 过度生长
overgrew
overgrown
overhang 悬垂
overhung
overhung
overhear 无意听到
overheard
overheard
overlade 超载
overladed
overladed, overladen 。
overlay 覆盖
overlaid
overlaid
overleap 跳过
overleapt, overleaped 。
overleapt, overleaped 。
overlie 躺在上面
overlay
overlain
overpay 付出太多
overpaid
overpaid
override 藐视
overrode
overridden
overrun 泛滥
overran
overrun
oversee 监督
oversaw
overseen
oversell 卖完
oversold
oversold
overset 推翻
overset
overset
oversew 缝合
oversewed
oversewed, oversewn 。
overshoot 打过头
overshot
overshot
oversleep 睡过头
overslept
overslept
overspend 过度使用 。
overspent
overspent
overspread 扩张
overspread
overspread
overtake 追上
overtook
overtaken
overthrow 推倒
overthrew
overthrown
overwind 旋太紧
overwound
overwound
overwrite 写得冗长 。
overwrote
overwritten
partake 参与
partook
partaken
pay 付出
paid
paid
precast 预计
precast
precast
prechoose 预选
prechose
prechosen
prove 证明
proved
proved, proven 。
put 放
put
put
quit 退出
quitted, quit
quitted, quit
read 读
read
read
reave 掠夺
reaved, reft
reaved, reft
rebuild 重建
rebuilt
rebuilt
recast 重铸
recast
recast
reeve 贯穿
rove, reeved
rove, reeved
relay 转送
relaid
relaid
rend 撕破
rent
rent
repay 报答
repaid
repaid
reset 重设定
reset
reset
retell 重述
retold
retold
rid 除去
rid, ridded
rid, ridded
ride 骑
rode
ridden
ring 响
rang
rung
rise 升起
rose
risen
rive 扯裂
riven
riven, rived
run 跑
ran
run
saw 锯
sawed
sawn, sawed
say 说
said
said
see 看见
saw
seen
seek 搜索
sought
sought
sell 卖
sold
sold
send 送
sent
sent
set 设置
set
set
sew 缝补
sewed
sewn, sewed
shake 摇晃
shook
shaken
shall 将
should
-
shave 剃须
shaved
shaved, shaven 。
shear 修剪
sheared
shorn, sheared 。
shed 脱落
shed
shed
shine 照耀
shone, shined
shone, shined
shoe 穿鞋
shod, shoed
shod, shoed
shoot 射击
shot
shot
show 展示
showed
shown, showed
shred 撕碎
shredded, shred 。
shredded, shred 。
shrink 萎缩
shrank, shrunk 。
shrunk, shrunken 。
shrive 忏悔
shrove, shrived 。
shriven, shrived 。
shut 关闭
shut
shut
sing 唱歌
sang, sung
sung
sink 下沉
sank, sunk
sunk, sunken
sit 坐
sat
sat
slay 残杀
slew
slain
sleep 睡觉
slept
slept
slide 滑动
slid
slid, slidden
sling 吊起
slung
slung
slink 潜逃
slunk
slunk
slit 切开
slit
slit
smell 闻
smelt, smelled 。
smelt, smelled 。
smite 打击
smote
smitten, smote 。
sow 播种
sowed
sown, sowed
speak 讲话
spoke
spoken
speed 促进
sped, speeded
sped, speeded
spell 拼写
spelt, spelled 。
spelt, spelled 。
spend 花钱
spent
spent
spill 溢出
spilt, spilled 。
spilt, spilled 。
spin 旋转
spun
spun
spit 吐
spat, spit
spat, spit
split 劈开
split
split
spoil 破坏
spoilt, spoiled 。
spoilt, spoiled 。
spread 散布
spread
spread
spring 弹跳
sprang, sprung 。
sprung
stand 站立
stood
stood
stave 凿孔
staved, stove
staved, stove
steal 偷窃
stole
stolen
stick 粘贴
stuck
stuck
sting 刺激
stung
stung
stink 发臭
stank, stunk
stunk
strew 散播
strewed
strewn, strewed 。
stride 大踏步
strode
stridden, strid 。
strike 打动
struck
struck, stricken 。
string 捆扎
strung
strung
strive 奋斗
strove, strived 。
striven, strived 。
swear 发誓
swore
sworn
sweat 出汗
sweat, sweated 。
sweat, sweated 。
sweep 打扫
swept
swept
swell 膨胀
swelled
swollen, swelled 。
swim 游泳
swam
swum
swing 摆动
swung
swung
take 拿到
took
taken
teach 教
taught
taught
tear 撕
tore
torn
tell 讲述
told
told
think 思考
tought
thought
thrive 蔓延
throve, thrived 。
thriven, thrived 。
throw 投掷
threw
thrown
thrust 刺入
thrust
thrust
tread 践踏
trod
trodden, trod
unbend 放松
unbent
unbent
unbind 解开
unbound
unbound
unbuild 拆除
unbuilt
unbuilt
underbid 出低价
underbid
underbidden, underbid 。
underbuy 贱价买走
underbought
underbought
undercut 廉价出售
undercut
undercut
underdo 不尽力
underdid
underdone
underfeed 喂不饱
underfed
underfed
undergo 遭受
underwent
undergone
underlay 铺垫
underlaid
underlaid
underlet 低价出租
underlet
underlet
underlie 位居其次
underlay
underlain
underpay 克扣
underpaid
underpaid
underrun 跑不过
underran
underrun
undersell 抛售
undersold
undersold
underset 暗流
underset
underset
undershoot 进入射程 。
undershot
undershot
understand 理解
understood
understood
undertake 担任
undertook
undertaken
underwrite 签名
underwrote
underwritten
undo 取消
undid
undone
undraw 拉开
undrew
undrawn
unfreeze 解冻
unfroze
unfrozen
ungird 解带
ungirded, ungirt 。
ungirded, ungirt 。
unhang 解除悬挂
unhung
unhung
unknit 拆开
unknitted, unknit 。
unknitted, unknit 。
unlade 卸载
unladed
unladed, unladen 。
unlay 松开
unlaid
unlaid
unlearn 忘却
unlearnt, unlearned 。
unlearnt, unlearned 。
unmake 恢复原状
unmade
unmade
unreeve 抽出
unrove, unreeved 。
unrove, unreeved 。
unsay 撤销
unsaid
unsaid
unset 去除设定
unset
unset
unsling 取去悬索
unslung
unslung
unspeak 缄默
unspoke
unspoken
unstick 扯开
unstuck
unstuck
unstring 去掉绑扎
unstrung
unstrung
unswear 毁弃誓言
unswore
unsworn
unteach 使人忘却
untaught
untaught
unthink 打消念头
unthought
unthought
untread 折回
untrod
untrodden, untrod 。
unweave 拆解
unwove
unwoven
unwind 打开
unwound
unwound
upbuild 在上面建
upbuilt
upbuilt
upcast 上抛
upcast
upcast
uphold 赞成
upheld
upheld
uppercut 上击
uppercut
uppercut
uprise 起义
uprose
uprisen
upset 颠覆
upset
upset
upsweep 向上弯曲
upswept
upswept
upswing 跃进
upswung
upswung
wake 醒来
waked, woke
waked, woken, woke 。
waylay 埋伏
waylaid
waylaid
wear 穿着
wore
worn
weave 编织
wove
woven
wed 结婚
wedded, wed
wedded, wed
weep 哭泣
wept
wept
wet 打湿
wetted, wet
wetted, wet
will 意愿
would
-
win 获胜
won
won
wind 缠绕
winded, wound
winded, wound
wit 辩智
wist
wist
withdraw 撤退
withdrew
withdrawn
withhold 扣留
withheld
withheld
withstand 对抗
withstood
withstood
work:
工作
worked
worked
劳动
wrought
wrought
wring 拧
wrung
wrung
write 写
wrote
written
够了吗？我知道的就这些~~~
小韩在追星
常见动词过去式表
COBOL语言测试
(只有部分答案,其他可在书上或电子文档找到)。
一. 名词解释(每题2分)共10分。
1. HIGH-VALUE(一个字节)= FF LOW-VALUE(一个字节)= 00 QUOTE表示是引号。
JUSTIFIED RIGHT表示是右对齐 POSITIVE表示是正数 NEGATIVE表示是负数。
2. 数据类型为”A”和”X”分别代表是:A字母X字符。
3. 解释bit, Byte, Word,半字, 双字及它们的关系(占多少位).。
4. 解释 01 B COPY LIB1。
REPLACING A1 BY B1。
A2 BY B2。
A3 BY B3。
A4 BY B4.。
5. 解释TRANSFORM T FROM ‘TNU’ TO ‘*’.T为”TOTAL AMOUNT”
二. 填空题(共33分)
1. (4分)
描述 数值 在内存中表示
02 A PIC 999V99 99.2 09920。
02 A PIC 9(6) 8010 008010。
02 A PIC P(3)9(2) 0.00011 11。
02 A PIC －9999 ＋1268 _1268。
02 A PIC S9(4)V99 -0.49 000049。
02 A PIC $ Z(2). Z Z 0.01 $_ _.01。
02 A PIC ++++.++ 0.0 _ _ _ _ _ _ _。
02 A PIC $9(2). 99DB 856. 19 $56.19_ _。
02 A PIC +Z(3).99 6.4 +_ _6.40。
2. (2分)
77 T PIC 99999V9999。
77 N PIC 99.999,9。
若T的原值为567. 5685, MOVE T TO N。
N为:67.568,5
3. (2分)
77 R PIC 999PP。
77 T PIC B99900。
当R的在内存值为123时， MOVE R TO T。
T为:_12300
4.画出下列对应关系(4分)
外部十进制DISPLAY 。
外部浮点数DISPLAY 。
内部十进制COMP-3 。
定点二进制COMP 。
内部短浮点COMP-1 。
内部长浮点COMP-2
数值为14外部十进制为_F1F4_内部十进制_014C_定点二进制000E 。
5.比较大小(2分)
EBCPIC码’V’_<_‘8’ ASCII码’V’_>_‘8’
6. (2分)
定点二进制：
在PIC子句中描述字符9的个数 占内存字节。
1-4 2
5-9 4
10-18 8
7. (2分)
02 A PIC S9(3) SIGN IS LEADING SEPARATE。
A为－648
60 F6 F4 F8
“--”在EBCDIC码中为60。
8. (3分)
01 A.
02 A1 PIC 9(3) SYNC LEFT VALUE 82.。
02 A2 PIC X(3) SYNC RIGHT VALUE ‘ABC’.。
02 A3 PIC 9(5) SYNC LEFT VALUE 82345.。
02 A4 PIC X(2) VALUE ‘RE’.。
02 A5 PIC 9(4) VALUE 123。
画出上面变量在内存结构.
9. (1分)
Y*C=>C
MULTIPLY Y _BY_ C.。
10. (2分)
DIVIDE 43 INTO 456 GIVING C REMAINDER D。
C为_10_ D为_26_
11. (2分)
A=FGH_, B=KLM_, C=XYZ_, D 为PIC X(12)。
MOVE 4 TO T.。
STRING A, B, C DELIMITED BY ALL SPACE WITH POINTER T INTO D。
D为_ _ _ FGHKLMXYZ。
12. (4分)
A=DATE_ _PSDASDFT_GDSGDTITY_。
B PIC X(6), C PIC X(8), D PIC X(9)。
UNSTRING A DELIMITED BY ‘R’ INTO B COUNT IN W.。
W为_25_
MOVE 7 TO U.
UNSTRING A INTO B,C,D WITH POINTER U TALLYING IN N. 。
N为_3_
13. (2分)
INSPECT A TALLYING N FOR ALL ‘L’
REPACING LEADING A BY ‘E’ AFTER ‘L’.。
A=SAALAMALI, N=2, A为SAALEMALI 。
14. (1分)
COBOL语言中变量名最长长度为_30_。
三. 判断题: (每题2分)共10分。
1.77 A PIC 9(4)V99。
77 B PIC $(6). 99。
MOVE B TO A 是否可以?为什么?。
2. IF B**2-4*A*C NOT < 0 THEN。
NEXT SENTENCE。
ELSE
DISPLAY ‘B**2-4*A*C<0’. 是否可以? 为什么?。
3.GOTO 0000-MAIN. 是否可以? 为什么?。
4.表元素B(I+1),A(3+5) 是否可以? 为什么?。
5.定义一个变量
00 WORK-RECORD.。
01 NAME PIC X(20). 是否可以? 为什么?。
四. 简答: (共47分)
1. COBOL程序的结构并说明和包含四个部(中英文)及作用. (10分)。
2. COBOL源程序的书写格式并加以说明(3分)。
3. 在层次的概念中, 层次结构是什么, 层次规定是什么,66层,77层, 88层一般用于定义什么. 。
(8分)
4. (3分)
01 PAY-RECORD. 01 EDITTED-RECORD.。
04 A1 PIC 9(4)V99. 04 B3 PIC ZZZZ.99.。
04 A2 PIC 9(4)V99. 04 A2 PIC ZZZ9.99.。
04 A3 PIC 9(3)V99. 04 A1 PIC ZZZ9.99.。
MOVE CORR PAY-RECORD TO EDITTED-RECORD. 左边这个语句相当于：
MOVE A1 OF PAY-RECORD TO A1 OF EDITTED-RECORD.。
MOVE A2 OF PAY-RECORD TO A2 OF EDITTED-RECORD.。
5. (3分)
01 A.
02 A1 PIC 9(3).。
02 A2 PIC 9(2)V99.。
02 A3 PIC 9V9.
01 B.
02 A1 PIC 99V99.。
02 A3 PIC 9V9.
02 A2 PIC 99V99.。
ADD CORR A TO B 左边这个语句相当于：
ADD A1 OF A TO A1 OF B.。
ADD A2 OF A TO A2 OF B.。
ADD A3 OF A TO A3 OF B.。
6. (4分)
将下面公式对应的COBOL语句.(禁止用COMPUTE)。
C = A + B + C
COBOL语句:ADD A,B TO C.。
D = Z-A-B-C
E = Z-A-B-C
F = Z-A-B-C
COBOL语句(用一条语句写):。
SUBTRACT A,B,C FROM Z GIVING D,E,F.。
6. (2分)
将下面COBOL语句对应的数学公式.。
DIVIDE Y INTO Z GIVING C. C=Z/Y。
DIVIDE Y BY Z GIVING C. C=Y/Z。
7. (2分)
根据优先级顺序用括号画出优先级。
(X=Y) OR *((T=W) AND (G IS NOT POSITIVE)) AND (C>D)) 。
8. (6分)
根据下图写出COBOL语句
A->X。
当X<= 5
执行T1到T2段
X+B->X
执行PERFORM的下一语句
PERFORM T1 THRU T2 VARYING X FROM A。
BY B UNTIL X > 5.。
9.解释下面COBOL语句(4分)。
01 STUDENT-SCORE-RECORD.。
03 NAME PIC X(10).。
03 QTY-OF-COURSE PIC 9(2).。
03 SCORE OCCURS 1 TO 15 TIMES。
DEPENDING ON QTY-OF-COURSE PIC 9(3).。
11. (2分)
’LABEL RECORD IS STANDARD’和’LABEL RECORD IS OMITTED’区别?。