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【单选题】
We've done once but failed. We'll have to do it ______ time.A.
a second
B.
the second
C.
the twice
D.
twice
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举一反三
【简答题】Read the following paragraph. After the paragraph, some words or expressions are listed. Please find out the words or expressions of the same sematic field as those listed in the paragraph. Doctors ar...
【单选题】After some experiments, the doctors found that ______.
A.
the influenza could be cured like other types of influenza
B.
the influenza must be treated in a special way
C.
the influenza didn't have to be treated
D.
the influenza could be cured by any known medicine
【多选题】横道图和网络图是建设工程进度计划的常用表示方法。与横道计划相比，单代号网络计划的特点包括（ ）。
A.
形象直观，能够直接反映出工程总工期
B.
通过计算可以明确各项工作的机动时间
C.
不能明确地反映出工程费用与工期之间的关系
D.
通过计算可以找出关键线路和关键工作
E.
明确地反映出各项工作之间的逻辑关系
【单选题】Some doctors like to see the figures in black and white. 译为:
A.
有些医生喜欢看用黑白两色标记的数字
B.
有些医生喜欢看黑白相间的数字
C.
有些医生喜欢看黑白明显的数字
D.
有些医生喜欢看到明明白白的数字
【单选题】After some experiments, the doctors found that ______.
A.
the influenza could be cured like other types of influenza
B.
the influenza must be treated in a special way
C.
the influenza did not have to be treated
D.
the influenza could not be cured by any known medicine
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