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【单选题】
黄瓜的茎属于 ( )A.
直立茎
B.
缠绕茎
C.
攀缘茎
D.
匍匐茎
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皮皮学刷刷变学霸
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【简答题】Unity3d中的碰撞器和触发器的区别?
【单选题】What did Patty suggest David do on a nice day?
A.
He could take outdoor exercise.
B.
He could have a picnic with friends.
C.
He could buy goods in Carrefour.
D.
He could start biking to work.
【简答题】What is David going to do?
【单选题】What did David do last friday?
A.
Stayed at home
B.
Went to a party
C.
Went to see a movie with Jessica
D.
Went to a concert with Jessica
【简答题】What did David come here to do?
【单选题】听力原文：W: How did you do on the math exam, David? M: I barely made it. Q: What do we learn from the conversation? (3)
A.
David didn't pass, although he had tried his best.
B.
David just got a passing score.
C.
David got an excellent score, which was unexpected.
D.
David was disappointed.
【单选题】What research did David Lubman do?
A.
He discovered the echo in the staircase.
B.
He analyzed the structure of several different pyramids.
C.
He analyzed the songs of many different birds.
D.
He compared the sound made by the echo to the sound made by the quetzal.
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