【单选题】What conclusion can be drawn from the conversation?
A.
The woman did not answer the phone.
B.
The woman called the man' s sister.
C.
The man' s sister made a wrong call.
D.
The man' s sister did not call him.
【简答题】温度对流体粘性的影响是,随温度的升高,液体的粘度 ____ ,气体的粘度 ____ 。
【简答题】听下面一段材料,回答第1-3题。 1. Why did the woman give up her dream to be a gym teacher? A. Because she didn't have the equipment. B. Because she couldn't afford the expense. C. Because she was afraid of hard tra...
【单选题】What did the speaker find out on board the plane?
A.
The woman took his case on purpose.
B.
All his papers had been stolen.
C.
He had taken the woman ’ s case.
D.
The woman played a joke on him.
【简答题】温度对流体粘性的影响是,随温度的升高,液体的粘度 ,气体的粘度 。