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【单选题】
The book, ____ are true stories about great scientists of the 20 th century, is well worth reading.
A.
which
B.
what
C.
in which
D.
of which
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参考答案:
举一反三
【判断题】生理期也是可以习练瑜伽的,但是要避免倒立以及腰腹部力量的练习。
A.
正确
B.
错误
【单选题】一般塑性混凝土的流动性用下列那哪个指标来表示( )
A.
坍落度
B.
维勃稠度
C.
扩散度
D.
分层度
【单选题】Jack called the airline to______ his flight to Beijing this morning.
A.
improve
B.
believe
C.
confirm
D.
insure
【单选题】Jack called the airline to ___________his flight to beijing this mornin
A.
improve
B.
believe
C.
confirm
D.
insure
【简答题】社区工作者在地区发展模式下的工作角色有哪些?
【单选题】下列说法正确的是 [     ]
A.
乙酸的酸性比碳酸弱
B.
乙烯分子中含有碳碳双键
C.
含碳元素的化合物都是有机物
D.
乙醇难溶于水
【单选题】Jack called from Canada as______as he arrived there.
A.
soon
B.
quickly
C.
possibly
【判断题】所有含碳元素的化合物都是有机物
A.
正确
B.
错误
【简答题】Once upon a time,there were two good friends.One was called Jack and the other was called James.One day,the two friends were walking through the desert.During the journey they had a quarrel,and Jack c...
【单选题】The national flag of UK is called the Union Jack because_____.
A.
a man named Jack designed the flag
B.
the country is historically a union of nations
C.
it is named after a king named Jack
D.
it is a symbol of the country
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