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The second engineer seemed to know what the sign ______.A.stand byB.stand forC.stood byD.s
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The purpose of engine stand-by is that ____.A.the main engine in the stand-by conditionB.a
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Nowadays teenagers are not______to stand and appreciate works of art; they prefer to parti
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Men are under greater pressure than women in that they______.A．are not allowed to make mis
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The word "carbon" stands for______.A．intelligent robotsB．a chemical elementC．an organic su
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The selection says that trends are toward the______.A．growth of cities and shrinking of su
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Between the two dense bushes __________ the residence of the old hermit.[A]stand[
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