It was surprising that . It is certain that .

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问题 It was surprising that ______.
It is certain that ______.

选项 A、an object had exploded three miles above the forest
B、the explosion was not caused by a comet
C、an atomic explosion once happened above the ground
D、some form of life from other planets once visited the earth then

答案A

解析第六行“Recent studies concluded that…”，可以直接找到答案，选A。

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本试题收录于：公共英语二级笔试题库公共英语（PETS）分类

公共英语二级笔试

公共英语（PETS）

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It was surprising that . It is certain that .

公共英语二级笔试

公共英语（PETS）

Onwhatdayoftheweekwillthemagazinearrive?

Whyaresomanypeopledependentoncigarette?

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NisaburoandHirokoOhataareunlikemostJapanesecouplestheirage.Sure,Hiroko,58,isworriedaboutherhusband’shighblo

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