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大学英语(二) Unit 1 练习 6 阅读练习.pdf 大学英语(二) Unit 1 练习 5 句子翻译.ppt
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举一反三
【简答题】我国对文物级别的划分有两类,其中可移动文物分为一级文物、二级文物和三级文物。( )
【单选题】可移动文物分为( )。
A.
国家级文物和地方级文物
B.
一级文物和二级文物
C.
甲级文物和乙级文物
D.
珍贵文物和一般文物
【判断题】多吃海带、紫菜、海鱼等含碘丰富的海产品,可预防碘缺乏病。
A.
正确
B.
错误
【单选题】可移动文物分为( )。
A.
珍贵文物和一般文物
B.
重要文物和一般文物
C.
一级文物和二级文物
D.
珍贵文物和重要文物
【判断题】悬架一般由弹性元件,导向装置,减振器组成
A.
正确
B.
错误
【单选题】悬架一般由哪几部分组成?( )
A.
弹性元件、反弹元件、导向装置、减振器
B.
弹性元件、反弹性元件、减振器
C.
反弹性元件、导向装置、减振器
D.
弹性元件、反弹性元件、导向装置
【多选题】电动机的功率损耗有( )。
A.
机械损耗
B.
铜耗
C.
过载损耗
D.
铁损耗
E.
电压损耗
【单选题】The Great Pacific Garbage Patch
A.
This news report is about a huge area in the Pacific Ocean that is filled with mostly plastic garbage. The garbage collects there because the ocean currents bring it to that area. It’s a serious problem for the environment because it affects all kinds of marine life.
B.
This news report really shocked me. I had no idea that our use of plastic was creating such a big problem. There’s a huge area of the Pacific Ocean full of plastic floating on the water. In my view, people need to use less plastic in their daily lives.
C.
In 1997, a sailor named Charles Moore discovered a large area of floating garbage in the Pacific Ocean near Hawaii. He estimated there were about 3 million tons of garbage. It was 100 feet deep.
【简答题】阅读理解。 Monday: Here I am, in the middle of nowhere. This camping trip idea is not getting off to a very good start. It's raining and the tent leaks. The hiking seemed to take forever, and I still can't...
【判断题】电动机的额定功率应小于额定状态下输入的电功率,这是因为电动机有功率损耗所致。
A.
正确
B.
错误
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