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【判断题】
若系统初始储能(起始状态)不为零,则无法求解其零状态响应。A.
正确
B.
错误
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【简答题】听音，选择正确的答案。 1. My book is __________. 2. His __________ is on his desk. 3. The boy is __________ the girl. 4. I have __________ pencils. 5. I am playing s with my __________. A. red A. eraser A. b...
【单选题】He said his sister had passed the college entrance examination, and_________ she would go to college in about 20 days.
A.
that; /
B.
that; that
C.
/; /
D.
that; which
【简答题】第I卷(60分) I.听力(20分) 听句子,选择正确的图片(每个句子读两遍。) (二)听对话,选择正确的答案。(每段对话读两遍。) 6.What's the matter with the woman's sister? A.She has a headache. B.She has a stomachache. C.She has a toothache. 7.What was Ben d...
【单选题】听力原文：W: Oh, Dad. Does Bill work in your factory? M: No, his sister works here. He works in a school. Q: Where does Bill's sister work? (20)
A.
In a factory.
B.
On a farm.
C.
At a school.
【单选题】-- The boy has to stay at home to look after his little sister, ? --Yes, because his mother has gone shopping. A.does he B.is he C.doesn't he D.hasn't he
A.
does he
B.
doesn't he
C.
hasn't he
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