单选题:If we _________ a table earlier, we couldn’t be standing her

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  • 题目类型:单选题
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题目内容:
If we _________ a table earlier, we couldn’t be standing here in a queue. A.have booked
B.booked
C.book
D.had booked

参考答案:
答案解析:

设log2x=a,则log2(2x2)=

设log2x=a,则log2(2x2)=A.2a2+1 B.2a2-1 C.2a-1 D.2a+1

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过点(2,0)作圆x2+y2=1的切线,切点的横坐标为________.

过点(2,0)作圆x2+y2=1的切线,切点的横坐标为________.

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Passage Four  When Abraham Lincoln was a lawyer in rural Ill

Passage FourWhen Abraham Lincoln was a lawyer in rural Illinois, he and a certai

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通常把形成课程的要素来源以及实施课程的必要而直接的条件称为__________。

通常把形成课程的要素来源以及实施课程的必要而直接的条件称为__________。A.课程标准 B.课程结构 C.课程评价 D.课程资源

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The name of an earlier form of man found in China is

The name of an earlier form of man found in China isA.New Stone Man B.Silk Man C

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