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【单选题】
The lake is calm and clear, and one of the things that _____in the water is the famous tower.
A.
reflects
B.
reflect
C.
is reflected
D.
are reflected
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参考答案:
举一反三
【单选题】环境因素中导致先天性心脏病的主要原因是()
A.
宫内感染
B.
先天性代谢紊乱
C.
服用药物
D.
接触放射线
【单选题】导致先天性心脏病发生的最主要因素是哪一项?
A.
遗传因素
B.
环境因素
C.
遗传因素与环境因素的相互作用
D.
基因突变
【单选题】What will the man do this afternoon?
A.
He has an important meeting.
B.
He has a lunch appointment.
C.
He will check his schedule for openings.
D.
He will write a report.
【单选题】What does the woman tell the man?
A.
He has to do what is necessary in order to learn.
B.
He doesn't have to memorize all the vocabulary.
C.
There is not much he can learn by memorizing.
【多选题】下列属于多段线 PLIAN命令的选项是 。
A.
Arc弧
B.
Length长度
C.
Join点
D.
Close闭合
【多选题】下列属于多段线命令选项属性的有()
A.
圆弧(A)
B.
半宽(H)
C.
长度(L)
D.
宽度(W)
【单选题】目前认为导致先天性心脏病的环境因素最主要的是
A.
宫内细菌感染
B.
宫内病毒感染
C.
宫内支原体感染
D.
母亲妊娠毒血症
E.
胎盘早剥
【简答题】A.No, he is not allowed to change his mind. B.Yes, he has the legal right to do so. C.No, because he has already displayed the goods. D.Yes, if the customer allows him to do so.
【单选题】下列属于多段线 PLIAN命令的选项是 。
A.
Arc弧
B.
Length长度
C.
Join点
D.
Close闭合
【单选题】导致先天性心脏病发生的最主要因素是哪一项?
A.
遗传因素
B.
环境因素
C.
遗传因素与环境因素的相互作用
D.
以上都不是
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