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【单选题】
Less ScrapA.
废品率降低
B.
减少铁屑
C.
减少残余
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【多选题】为什么“爱国者”导弹能比较轻易 地击毁 “飞 毛腿 ”导弹?这得益于前者精确制导系统的出色工作。其制导系统中使用了大约 4kg 的( ) 用于电子束聚焦。
A.
钐钴磁体
B.
钕铁硼磁体
C.
高温超导磁储能器
D.
高温超导器件
【简答题】According to the passage, why does the cancer increase? [A] Because people expose too much to the computer. [B] Because people don't care about the low levels of radiation. [C] Because the cells are k...
【单选题】According to the text, why does the same deafness afflict the same people?
A.
Because governments all turned their attention to these people.
B.
Because these people are more likely to have unhealthy behaviors.
C.
Because these people suffer more from their poor income and education.
D.
Because governments always neglect the real needs of these people.
【单选题】Why does a lack of sleep cause people to gain weight?
A.
Because people burn fewer calories when they are awake.
B.
Because people feel hungry when they lack sleep.
C.
Because their hormones stay unchanged.
D.
Because people don't exercise when they don't have enough sleep.
【简答题】集成运算放大器的两个输入端分别为_________端和________端,前者的极性与输出端_______;后者的极性同输出端_______。
【单选题】Why does the author say that Swiss people may not be able to tell the name of their president?
A.
Because Swiss people are indifferent to politics.
B.
Because Swiss people are inaccessible to political information.
C.
Because the election of Swiss president has nothing to do with the Swiss.
D.
Because president of Switzerland is not directly elected by the Swiss.
【单选题】Why does it take long for people to change their food?
A.
Because labs are not easily accessible to researchers.
B.
Because some people are reluctant to accept the new diet.
C.
Because food consumption is a culture of conservation.
D.
Because some scientists are against the growing lab meat.
【简答题】According to the text, why does the same deafness afflict the same people? [ A] Because governments all turned theirattention to these people. [ B] Because these people are more likelyto have unhealth...
【单选题】Why does the professor recommend that students pay attention to the people they see every day?
A.
The behavior. and characteristics of these people can be used in character sketches.
B.
Observing people in real-life situations can provide ideas for story plots.
C.
It is easier to observe the behavior. of familiar people than of new people.
D.
Students can gather accurate physical descriptions for their characters.
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