皮皮学,免费搜题
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搜题
【单选题】
以下关于力的描述不正确的是( )
A.
改变物体运动状态的原因
B.
维持物体运动的原因
C.
力能使物体发生形变
D.
力的作用是相互的
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【多选题】新药注册申报与审批,包括的阶段有()
A.
临床前研究申报审批
B.
生产上市申报审批
C.
临床研究申报审批
D.
生产现场检查申报审批
【简答题】Two policemen stopped Andre w Kershaw in his sports car one night, because he was speeding in the street of the town. The young man was very drunk. He knew he was in trouble, so he decided to make fun...
【判断题】合金钢根据成分不同可分为合金结构钢、合金工具钢和特殊性能钢3大类。
A.
正确
B.
错误
【单选题】听力原文: The world's first completely automatic railway has been built under the busy streets of London. The railway is called the Victoria Line, and it is part of the complete London underground railway...
A.
It is the first completely automatic railway in the world.
B.
The workers on the underground platforms are replaced by machines.
C.
Its trains are computer-controlled.
D.
Its trains run at a high speed.
【单选题】哪个场景没有出现在本节课的视频教学中?
A.
山科阅览室
B.
山科学生寝室
C.
山科食堂
D.
山科D区走廊
【单选题】课程学习完成,必须参加课程考核。考试形式为___________。
A.
开卷或撰写论文
B.
闭卷、开卷
C.
闭卷和撰写论文
D.
闭卷、在线考试、开卷、大作业或论文考核
【单选题】-What did you do on May Day? -I went shopping with my family, There________ so many people in the s treet. [     ]
A.
was
B.
are
C.
were
【单选题】请根据短文的内容,回答题。 What Is a Dream? For centuries, people have wondered about the strange things that they dream about. Some psychologists say that this nighttime activity of the mind has no special meanin...
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】完形填空 John's family 1 On vacation next month. They 2 go to the beach. John is going on Monday and 3 On Thursday. He 4 there for less than a week. John's father 5 from Monday to Thursday. 6 he can't go ...
【简答题】I. Finish the sentences according to the requirements. 1. We go to school every morning.(negative form) 2. He speaks English very well.(negative form) 3. I like taking photos in the park .(question ba...
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