题目内容

一旦用户做错过某道试题，那么该题将被永久性地记录到“错题记录”中，无法删除。

A. 正确
B. 错误

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It is______impossible to find a good educational computer program in this city.

A. barely
B. merely
C. hardly
D. nearly

A．exploreB．are exploringC．exploredD．will explore

A. explore
B. are exploring
C. explored
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A．depthB．rangeC．lengthD．rate

A. depth
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A．deeplyB．normallyC．commonlyD．deep

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