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【单选题】
背斜表现为？A.
核部为新地层，两翼对称出现老地层
B.
核部为老地层，两翼对称出现新地层
C.
向 下的弯曲
D.
与弯曲方向无关
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举一反三
【单选题】The Australian boy has a good ________ of Chinese and can express himself freely in it.
A.
power
B.
command
C.
demand
D.
usage
【简答题】公路上使用骨料与一般建筑中不同,通常采样骨料的含水状态为 状态 。
【简答题】The potato crop of 1946 was ____ that of 1945. A) superior than B) superior to C) more superior to D) more superior than
【简答题】Maize is an unsuitable crop in much of southern Africa because it requires ______.
【简答题】A major crop disease, if not checked, would result in ______.
【简答题】The new technique for growing rice will certainly ______ the increase of crop yields or a large scale.
【单选题】Q: What will Katy do to solve her problem?
A.
Go to Jason’s party.
B.
Go to Linda’s party.
C.
Attend both Jason’s and Linda’s parties.
D.
Celebrate Halloween with her parents.
【单选题】One explanation given by scientists for the crop circles is that they are made by ______.
A.
airplane crashes
B.
air movement
C.
unknown flying objects
D.
new farming techniques
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