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【单选题】
Because there are only two competitors_______, it is almost inevitable that one will receive a majority.A.
in the running
B.
for the running
C.
in the run
D.
for the run
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举一反三
【单选题】Although we tried to concentrate on the lecture， we were __________by the noise from the next room.
A.
distracted
B.
displaced
C.
dispersed
D.
discarded
【单选题】—We didn’t find Smith attending the lecture. —No one ___ him about ___ a lecture the following day.
A.
had told, there to be
B.
told, there was
C.
had told, there being
D.
told, there to be
【简答题】组合钢模板由 、 、 三部分组成。
【单选题】— We didn't find the Blacks ____ the lecture. — No one had told him about____ a lecture the following day. [ ]
A.
to attend; there to be
B.
attending; there being
C.
attended; there be
D.
attend; there was
【单选题】放线菌素D的主要作用机制是
A.
脱氧核糖核酸多聚酶抑制药
B.
与脱氧核糖核酸联结而破坏脱氧核糖核酸结构和功能
C.
与脱氧核糖核酸联结而阻碍RNA转录
D.
阻碍纺锤丝形成，从而阻断有丝分裂，使细胞分裂停止于M期
E.
阻止原料供应而阻碍蛋白质合成
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