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【简答题】
玛瑙红和宝石红里面含有______成分,因此价格昂贵。
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反馈参考答案：
举一反三
【单选题】A great number of people have stopped buying the product ________ the fact that it is safe.
A.
for fear of
B.
on account of
C.
in spite of
D.
as a result of
【单选题】What's experts' opinion about taking vitamin pills?
A.
It is safe for our health.
B.
It does more good than harm.
C.
It may bring us some side effects.
D.
It will reduce the length of colds.
【单选题】缩宫素的临床应用：
A.
小剂量缩宫素可用于引产和催产
B.
小剂量缩宫素可用于产后止血
C.
缩宫素具有抗利尿活性，可用于治疗尿崩症
D.
临床应用与麦角类生物碱相似
E.
抑制乳腺分泌
【单选题】It is safe to infer from the passage that ______.
A.
lateral thinking is useful for creative problem-solving
B.
a lateral thinker is free from the restraint of assumptions
C.
lateral thinking can produce better and more effective solutions to problem than vertical thinking
D.
both Aand B.
【简答题】Blank 1
【简答题】直流电动机根据励磁方式分类 [Blank 1] [Blank 2] [Blank 3] [Blank 4]
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