The discovery was made_______, which we hadn’t expected .A.on purposeB.at presen

The discovery was made_______, which we hadn’t expected .A.on purposeB.at presen

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The discovery was made_______, which we hadn’t expected .
A.on purposeB.at presentC.in advanceD.by accident

答案
D
解析
on purpose故意的;at present现在的,目前的;in advance提前;by accident偶然的。根据which we hadn’t expected,我们没想到会有这个发现,所以应是偶然发现的。选D。
举一反三
The speech by the governor of Guizhou province at the ninth Chinese National Ethnic Games is deeply impressed _______ my memory.
A.toB.overC.byD.on

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The British Isles is a group of islands that lie         the west coast of Europe.
A.onB.alongC.inD.off

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--- Do you like the food in our restaurant, Madame?
--- Yes, _________ any description. I will come again with my best friend.
A.beyondB.inC.overD.for

题型:不详难度:| 查看答案
Many people dream of having cars of their own. However, others strongly ________ developing private cars.
A.againstB.object toC.prepare forD.long for

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Margie shows a very positive attitude ____ her work.
A.towardsB.withC.ofD.about

题型:不详难度:| 查看答案
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