【判断题】凹槽命令只能对零件空间中已存在的模型进行操作
【单选题】We need the oceans which do all of the following except ________.( )
D.
supplying carbon dioxide
【简答题】每一个属性有一个取值范围,这称为属性的()。
【简答题】数据库中每个属性都有一个取值范围,这称为属性的()。
【判断题】We need to explore, observe and learn about the oceans so that we can protect them well.
【简答题】What do we need to do for the oceans to keep healthy?
【简答题】每个属性有一个取值范围,这称为属性的( )
【单选题】W: The experiment has been completed, hasn't it? M:_____________
A.
Yes. We need another week to complete it.
B.
Yes. It has been completed beautifully.
C.
No. It was completed last week.
D.
No. I have no idea about it.
【单选题】听力原文:W: Let's stop at the next garage. M: Do we need petrol? W: No, but there is a cafe and we can have a drink. What does the woman want to do?
A.
To have her car fixed at he next garage.
B.
To get petrol for her car.
C.
To have a drink in the caf6.
D.
To use the restroom in the caf6.