皮皮学，免费搜题
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搜题
【单选题】
东南亚唯一的内陆国是 [ ]A.
越南
B.
泰国
C.
老挝
D.
柬埔寨
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】__________at the gate of the theater, Susan found the ticket for the play was left at home.
A.
To arrive
B.
On arriving
C.
As arriving
D.
While arrived
【单选题】On _____ home, Susan found a robber getting out of a van yesterday. [ ]
A.
her way to
B.
her way for
C.
her way at
D.
her way
【简答题】下列函数可以看成哪些简单函数的复合? (1) (2)
【简答题】求由函数 , , 复合而成的复合函数。 2. 下列函数可以看成哪些简单函数的复合? (1) (2) (3) (4)
【单选题】听力原文：I heard from Mary that last semester, Susan found it difficult to stay On good terms with her roommate Jenny. The relationship between Susan and Jenny is______.
A.
neutral.
B.
friendly.
C.
unclear.
D.
strained.