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【简答题】
与一个投影面垂直，而与其他两个投影面不平行的平面，称为投影面的垂直面，具体又可分为（）；（）；（）。
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反馈参考答案：
举一反三
【简答题】何谓微生物?分几大类及各类的代表?
【简答题】微生物分类及代表
【多选题】、Which of the following state or imply cause/effect?
A.
Smith’s being healthy is probably what made Philadelphia more competitive this year.
B.
Gilbert’s disposition has deteriorated since he and his wife separated; it isn’t coincidence.
C.
When men wear swimsuits, they have difficulty doing math problems.
D.
Senator Craig’s behavior forced conservatives to call for his resignation.
E.
Getting a new trumpet player certainly improved the brass sections.
F.
Women are worse drivers than men.
G.
The batteries in this dang flashlight are completely dead!
【单选题】Listen! Someone is calling for help.He must be __________. [ ]
A.
in the danger
B.
in danger
C.
out of danger
D.
dangerous
【判断题】Louis Pasteur will never forget the day when he saw his friend Henry bitten by a mad dog. At that time he was nine. Some days later, Henry did get rabies(狂犬病) and died with great pain. Pasteur thought...
A.
正确
B.
错误
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