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【单选题】
肛管排气时,其肛管插人肛门约A.
7 - 10cm
B.
10 ~15cm
C.
10 ~ 20cm
D.
12-15cm
E.
15 ~18cm
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举一反三
【单选题】Peat is organic matter which develops in wetland areas. It is the ideal growing medium for plants, and there is a tremendous demand for it from gardeners, both and professional. But only three...
A.
Only three percent of the land on our planet is covered in peatland.
B.
Taking too much peat will destroy the unique wetland areas in which it develops.
C.
Peat cannot develop except in wetland areas.
D.
No more peat should be extracted and a different growing medium for plants should be promoted.
E.
Peat is a very popular growing medium used by gardeners and professional growers.
【简答题】For this part, you are going to read a passage with 5 underlined sentences, and translate them from English into Chinese. 1) Science is not a set of unquestionable results but a way of understanding t...
【单选题】They discussed the problem three or four times and finally came to ______.
A.
end
B.
conclusion
C.
result
D.
judgment
【简答题】gla() 有魅力的
【单选题】He was arrested but was release very soon because of a lack of that he was guilty.
A.
doubt
B.
conclusion
C.
evidence
D.
belief
【简答题】由汞弧灯发出的光，通过一个绿色滤光片后，照射到相距为0.50mm的双缝上，在距双缝2.5m的屏幕上观测其干涉条纹。若测得相邻两明条纹中心的距离为2.72mm，求入射光的波长。
【单选题】What is the basic difference between human beings and animals in doing things in conclusion?
A.
Language.
B.
Memory.
C.
Purpose.
D.
Thinking.
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