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【判断题】
在一个物体的受力图上,不但出全部外力,而且也出物体结构中的内力。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】If two men suspected for some reason that they have a common ancestor,______.
A.
we can decide according to their family tree
B.
we can find the truth from their genetic markers
C.
we can compare the differences in their Y chromosome
D.
we can look for written records to prove their relationship
【简答题】使用中的氧气瓶和乙炔瓶应()放置，并()，氧气瓶和乙炔气瓶的距离不得小于()米。
【单选题】According to the passage, what would a public relations personnel probably do after a decision is made in industry?
A.
Plan and have some promotional activities.
B.
Give some suggestions to the decision-maker.
C.
Set up communication with the public.
D.
Organize some special events like press conference.
【简答题】转炉双联法就是一个转炉进行 ,另一个转炉进行 。
【单选题】What can be deciphered from Japan’s trash codes?
A.
Japanese tend to present their remarks in an explicit way.
B.
Trash is public property from which neighbors may intrude upon one’s privacy.
C.
The language barrier is an obstacle to dealing with the trash business.
D.
People not following the correct trash protocol will be considered rude.
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