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【简答题】
点在直线上，点的正投影一定在该直线的正投影上，点、直线在平面上，点和直线的正投影一定在该平面的正投影上，这种性质称为正投影的 () A.同素性 B .从属性 C . D .平行性
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【单选题】We'll go to visit Tian' an men Square _____ it doesn't rain tomorrow. [ ]
A.
if
B.
as soon as
C.
when
D.
since
【简答题】We shall see an exhibition of pain-tings if it _________ (not rain) tomorrow.A. doesn't rain
【简答题】Take an umbrella with you if it ______ tomorrow. A. rain B will rain C rains D is raining
【简答题】用括号中动词的正确形式填空。 If it (rain), I shall take an umbrella with me. You nevrer (pass) this test if you don't work hard. If he (be) here before 10 o'clock, I shall see him. If he plays well, he (get) into t...
【单选题】—There will be an English party this evening, if it doesn’t rain. —Great！ I’ll go and join you then.
A.
in the auditorium
B.
in public
C.
in time
D.
in the open
【简答题】.简述人民检察院的职权。
【单选题】I don’t know if it _____. You’ll get wet if it ____. You’d better take an umbrella.
A.
will rain; will rain
B.
rain; will rain
C.
will rain; rains
D.
rains; rains
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