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【判断题】
预留轨缝的基本技术要求是：夏天轨缝不顶严，无瞎缝，冬季轨缝不超过构造轨缝，螺栓不拉弯。A.
正确
B.
错误
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【单选题】The school recommends parents ______ their children to swim in rivers or lakes during summer holidays. [ ]
A.
not permit
B.
do not permit
C.
mustn't permit
D.
couldn't permit
【简答题】Where does the fresh water come from? It comes from rivers, lakes and__________.
【单选题】The atmosphere is ______ much a part of the earth as its soil and water of its lakes, rivers, and oceans.
A.
so
B.
very
C.
even
D.
as
【简答题】阅读理解。 Africa is home to nearly 700 lakes and rivers. It holds the largest amount of water on earth. Because of the overuse of the lakes, natural climate changes and other factors (因素), these lakes are...
【单选题】The water in the lakes and rivers in Shandong becomes ______ because of the dry weather .
A.
less and less
B.
more and more
C.
fewer and fewer
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