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【单选题】
曲轴箱通风的主要目的是()A.
排出水跟汽油
B.
排出漏入曲轴箱内的可燃混合气体与废气
C.
冷却润滑油
D.
向曲轴箱内供氧气
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反馈参考答案：
举一反三
【单选题】In some societies ______ women work outside their homes, there exist many social problems.
A.
where
B.
which
C.
what
D.
that
【单选题】《 中华人民共和国基本医疗卫生与健康促进法 》 的施行日期是( )。
A.
2019年12月28日
B.
2019年6月1日
C.
2020年6月1日
D.
2020年1月1日
【单选题】Many social problems are caused by the uneven ( ) of wealth.
A.
equality
B.
justice
C.
distribution
D.
volume
【简答题】基本偏差一般为 的那个极限偏差。
【简答题】是洛度四郊山水之胜之一,被称为龙门首焉。
【单选题】From the passage we can infer that______.
A.
there are too many social problems in this country.
B.
people are very poor during the time for giving.
C.
the government seems to have done little to help the poor.
D.
not all the staff for the organizations work without being paid.
【单选题】It can be inferred from the passage that
A.
globalization may cause many social problems.
B.
talent and capital results in disparity of wealth.
C.
American business now has reached a plateau.
D.
the middle class is less affected by globalization.
【单选题】指出引起左心房增大的疾病（）
A.
风湿性心脏病-二尖瓣狭窄
B.
先天性心脏病-房间隔缺损
C.
先天性心脏病-Fallot四联症
D.
早期高血压性心脏病
E.
慢性肺原性心脏病
【单选题】We can infer that ______.
A.
there are too many social problems in this country
B.
people are very poor during the time for giving
C.
warm hearted people like to give away money
D.
this passage is taken from a local newspaper
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