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【单选题】
下列可证明变迁的是 （ ） ①在南极大陆发现了煤、铁资源 ②地球表面的陆地主要集中在北半球 ③日本是一个多地震的国家 ④在我国喜马拉雅山上发现岩石中含有鱼、海螺等海洋生物的化石 ⑤在我国东部海底发现了古河流及水井等人类活动的遗迹A.
①和③
B.
②和④
C.
④和⑤
D.
①和②
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【简答题】. 节气门位置传感器可分为 ___________ 、 __________ 和 __________ 三种。
【单选题】－Why didn’t Tom give you one of his paintings? －I didn’t want one，but he would have given me one if I______.
A.
did
B.
would
C.
will
D.
had
【单选题】I will talk to the children ______ .
A.
one and then the other
B.
first one then the next
C.
one by one
D.
in singles
【单选题】The cakes are delicious. I’d like to have _______ third one as _______ second one I ate was too small.
A.
the, the
B.
a, the
C.
the, a
D.
a, a
【简答题】I think this one is bigger and (cheap) ______ than that one.
【简答题】- There must be a dozen pens in this house but I can never find one when I need one. - Keep looking. ______ is sure to turn up. A) One B) It C) That D) This
【简答题】电控发动机节气门位置传感器按输出信号可分为开关式和___,式两种形式。
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