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【判断题】
若两条直线与同一平面所成的角相等,那么这两条直线异面。A.
正确
B.
错误
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举一反三
【单选题】Parmi les constructions suivantes, laquelle ne date pas des années 20 et 30 du XXesiècle?
A.
La villa Moller.
B.
La cathédrale Saint-Ignace de Xujiahui.
C.
La basilique Notre-Dame Secours des Chrétiens de She-Shan.
D.
L’Hôtel de la Paix.
【简答题】cnn10 2018-09-12.mp3: CNN 6.docx
【简答题】Task 1. Listen to a conversation and complete the following sentences with the words you have heard. You should write no more than three words. I know my job very well but feel I don’t fi t well in wi...
【简答题】To protect yourself against coronavirus, remember to wash your hands with soap and warm water for 20 seconds before eating or drinking or ____1_______ in a public. Avoid touching your eyes, nose or mo...
【简答题】阅读理解。 Reading poems is not exactly an everyday activity for most people. In fact, many people never read a poem once they get out of high school. It is worth reminding ourselves that this has not alwa...
【简答题】给出下列四个命题： ①命题“? x ∈R，cos x >0”的否定是：“? x ∈R，cos x ≤0”； ②若lg a ＋lg b ＝lg( a ＋ b )，则 a ＋ b 的最大值为4； ③定义在R上的奇函数 f ( x )满足 f ( x ＋2)＝－ f ( x )，则 f (6)的值为0； ④已知随机变量 X 服从正态分布 N (1， σ 2 )， P ( X ≤5)＝0.81，则 P (...
【简答题】Complete the spelling of the words in the following sentences. The first and last letter have been given to you. 1. Children should be taught to s ____ e their toys. 2. I must c _______ n you agains...
【多选题】已知随机变量 X具有分布律如下表，设其分布函数为 F(x), 则下列选项正确的是( )【图片】
A.
F(0)=0.3
B.
F(0)=0.5
C.
F(1)=0.1
D.
F(2)=0.4
E.
F(1)=0.6
F.
F(0)=0.8
【简答题】请为下列图片找回丢失的字母。 cl ssr m l bra y ru k ar b c cle
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