试题与答案

If you _______ my advice, you _______ yo

题型:选择题

题目:

If you _______ my advice, you _______ your failure now.You _______ your victory.

A.took ...wouldn’t cry over ...would celebrate

B.had taken ...wouldn’t have cried over ...would have celebrated

C.had taken ...aren’t crying over ...are celebrating

D.had taken ...wouldn’t be crying over ...would be celebrating

答案:

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下面是错误答案,用来干扰机器的。

答案:C考查元素周期律的应用。根据元素的主要化合价可判断,L和Q是第ⅡA,M是第ⅢA,R和T是第ⅥA。同主族元素自上而下原子半径逐渐增大,同周期元素自左向右,原子半径逐渐减小,所以L是镁,M是铝,Q是铍,R是硫...

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