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【单选题】
正垂面在W面上的投影反映为( )。A.
B.
平行于OZ轴的直线
C.
类似形
D.
平行于OY轴的直线
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举一反三
【单选题】According to the second paragraph, in which areas did the temperature fall below zero?
A.
Most of the South.
B.
Parts of interior South Florida.
C.
West Palm Beach.
D.
All of the above.
【单选题】In which paragraph you can find the answer of the following question? 3. Why did the caller want to commit suicide?
A.
Para. 3
B.
Para. 4
C.
Para. 5
D.
Para. 6
【单选题】In which paragraph you can find the answer of the following question? 5. Where did the caller's hope come from?
A.
Para. 21
B.
Para. 22
C.
Para. 23
D.
Para. 24
【简答题】创建函数使用什么关键字,要注意什么?
【简答题】From which paragraph did the author start to introduce what is the gratitude we need?
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