题目内容
（请给出正确答案）
By doing the "tank test", the engineers can find out______.
A．the amount of air in the plane
B．the strength of the plane structure
C．the pressure inside and outside the plane
D．the power of the airplane engines
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更多“By doing the "tank test", the …”相关的问题
A.didn’t do
B.haven’t done
C.weren’t doing
D.won’t be doing
She seemed______me in class. I didn't notice her doing anything else, but she wasn't!
A．to have listened to
B．to be listening to
C．to have heard
D．to listen to
A.about doing
B.to do
C.doing
D.do
A.The article doesn"t say.
B.It"s doing great.
C.Not very well.
D.Cannot see clearly.
A.however
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C.yet
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—Hi, Mary, haven't seen you for a long time. ______ ？ —Fine. What about you？
A．How are you doing
B．What are you doing
C．How do you do
D．What do you do
A．in
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-Listen ,are you doing anything on Friday night？
-________.
A.I got a call from Ana Castro last Friday night.
B.oh, no. I was just watching TV.
C.I don't think I am.
B.What are you doing？
C.Sure. Sorry to disturb you.
D.No, I don’t think so.
-- __________.
A.I was watching TV at that time.
B.Yes, but I can't afford the time
C.I did my homework.
D.I am going to leave my aunts home.
