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A.0 | B.1 | C.2 | D.3 |
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A.若两个平面分别经过两条平行直线,则这两个平面平行 |
B.若平面α⊥γ,β⊥γ,则平面α⊥β |
C.平行四边形的平面投影可能是正方形 |
D.若一条直线上的两个点到平面α的距离相等,则这条直线平行于平面α |
A.1 | B.2 | C.3 | D.4 |
A.若锐角α,β满足cosα>sinβ,则α+β>
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B.若f(x)是定义在[-1,1]上的偶函数,且在[-1,0]上是增函数,θ∈(
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C.函数y=cos(x+
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D.函数y=tan(x+
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A.2 | B.3 | C.4 | D.5 |
A.0 | B.1 | C.2 | D.3 |
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