【单选题】【消耗次数：1】
CAD表示是（ ）
①
计算机辅助设计
②
计算机辅助制造
③
计算机辅助测试
④
计算机辅助教学
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相关题目
【单选题】
通过计算机网络，将计算机辅助设计、计算机辅助规划以及计算机辅助制造，统一连接成一个大系统称为（ ）
①
顺序控制系统
②
计算机集成制造系统
③
柔性制造系统
④
伺服系统
随机题目
【单选题】
It was getting dark. I found a car________in a pool by the side of the road.
①
to be stuck
②
stuck
③
sticking
④
stick
【单选题】
This bright girl______ the truth in front of the enemy.
①
didn’t say
②
couldn’t speak to
③
said
④
didn’t tell
【单选题】
________the front door________,he had to enter the room through the back door.
①
Seen;painted
②
Seeing;painted
③
Being seen;being painted
④
Seeing;being painted
【单选题】
This book is_____that one. But______than that one.
①
as difficult as ;expensive
②
as more difficult as ; more expensive
③
as difficult as ; more expensive
④
more difficult as ; as expensive
【单选题】
It was his fault,but he put the blame on others—thats _______ we cant agree.
①
where
②
what
③
how
④
which
【单选题】
I was told yesterday that the company__________me to Rome next week for a business conference.
①
should have sent
②
was going to send
③
should be sending
④
should send
【单选题】
Whenwespeaktopeople,weshouldbe_______.
①
aspoliteaspossible
②
aspoliteaspossibly
③
aspolitelyaspossible
④
aspolitelyaspossibly
【单选题】
When he came to,he found himself________on a chair,with his hands________back.
①
to sit;tying
②
sitting;tying
③
seating;tied
④
seated;tied
【单选题】
Where is my pen? I________it.
①
might lose
②
would have lost
③
should have lost
④
must have lost