【判断题】【消耗次数：1】
只有封闭的曲面才能拉伸为实体
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
下面关于使用拉伸工具生成第一个实体特征时，拉伸截面说确的是（ ）。
①
截面可以开放
②
截面可以出现出头的线条
③
截面的线条可以重合
④
截面必须闭和、不出现重合线条，线条不出头
随机题目
【单选题】
07. I wrote it down_________I should forget it.
①
incase
②
incaseof
③
inorderthat
④
forfearof
【单选题】
05. The committee is expected to_________ a decision this evening.
①
reach
②
arrive
③
bring
④
take
【单选题】
19. — You cant finish the book in less than an hour,I suppose? —
①
Yes，ImsureIcan
②
No，hardly
③
Sorry，Icant
④
IdontthinkIcan
【单选题】
12. Last year_________ of new books were published on environmental protection.
①
thehundred
②
hundreds
③
ahundred
④
onehundred
【单选题】
20. Its impossible for all the people to get jobs because ______ of them are not fit for them.
①
none
②
all
③
notall
④
everyone
【单选题】
11. Having finished the letter, he_________ it carefully and sealed the envelop with a kiss.
①
folded
②
bent
③
turned
④
curved
【单选题】
17. ______ that the South African writer John Coetzee won the Nobel Prize in Literature for 2003.
①
Theyrereported
②
Hesreported
③
Werereported
④
Itsreported
【单选题】
15. ______ is known to us all is that China has launched Shenzhou V spaceship successfully.
①
That
②
What
③
It
④
As
【单选题】
14.He hasnt come yet．What do you consider _______ to him？
①
happens
②
hashappened
③
happening
④
tohappen
【单选题】
16.—Youve made great progress in your studies of English, havent you? ---Yes, but much.
①
remainstodo
②
isremainedtodo
③
remainstobedone
④
isremainedtobedone