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【单选题】
哮喘患者气道高反应性的最重要因素是A.
变态反应
B.
气道炎症
C.
迷走神经功能亢进
D.
遗传因素
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【简答题】Whenever we meet with difficulty or failure, teachers, parents or others often say to us or perhaps we say to ourselves, “Never give up.” These can be encouraging words and words of determination. A p...
【简答题】水、铜、空气中,属于顺磁性材料的是 。
【简答题】Whenever we meet with difficulty or failure, teachers, parents or others often say to us or perhaps we say to ourselves, “Never give up.” These can be encouraging words and words of determination(决心)....
【多选题】关于平行平板的多光束干涉图样,以下说法正确的是:
A.
反射光干涉场与透射光干涉场的亮暗条纹互补
B.
反射光干涉场的条纹对比度较高
C.
透射光干涉场的条纹亮度较高
D.
当反射比接近1时，透射光干涉场是暗背景上的极细锐亮纹
【单选题】The reason why we often say “the way I see it” or “in my experience” in communication is to ________.
A.
raise a different opinion without offending the listener
B.
contrast two different ideas to learn from each other
C.
point out the mistakes in the listener’s words
D.
stress what is going to be said is original
【单选题】We often say that something is “as light as air”, but air is＿＿＿light.
A.
hardly
B.
rather
C.
so
D.
really
【单选题】We often say that there are no places left on the earth where the foot of man has not trodden.
A.
我们常说地球上没有没留下人类脚步的地方。
B.
人们常说人类的脚步践踏的地方地球上无处不在。
C.
人们常说，人迹不到的地球上没有留下地方。
D.
我们常说，地球上无处不留下人类的足迹。
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