皮皮学，免费搜题
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搜题
【多选题】
先生长期致力于推广的两种方法是:A.
统筹法
B.
优选法
C.
图解法
D.
单纯形法
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皮皮学刷刷变学霸
举一反三
【简答题】如图，α∩β=CD，α∩γ=EF，β∩γ=AB，AB ∥ α 求证：CD ∥ EF．
【单选题】The movie ______________ we saw last night was fantastic.
A.
who
B.
what
C.
whom
D.
which
【单选题】What a pity! When we got to the cinema, the movie Let the Bullets Fly _________, so we saw only the end of it.
A.
was finishing
B.
has just finished
C.
just finished
D.
had just finished