题目内容

A.so thatB.in order toC.whichD.that

A. so that
B. in order to
C. which
D. that

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A.distinguishB.preventC.judgeD.differ

A. distinguish
B. prevent
C. judge
D. differ

多组捣固机械同时捣固时,前后距离应不小于()m,走行应保持同步。

A. 1
B. 2
C. 3
D. 4

A.elderlyB.ancientC.prehistoricD.olden time

A. elderly
B. ancient
C. prehistoric
D. olden time

A.mammalB.reptileC.animalD.creature

A. mammal
B. reptile
C. animal
D. creature

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