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【单选题】
Which pair is not a minimal pair?A.
rich witch
B.
rail whale
C.
bare barn
D.
pick peek
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皮皮学刷刷变学霸
举一反三
【单选题】Complete the sentences with the correct answers . Do you know the girl _____?
A.
whom he often talk to
B.
to who he often talks
C.
to that he often talks
D.
he often talks to
【简答题】A．It's often cold and snowy. B．It's often wet and warm. C．It's often cool and dry. D．Not mentioned in the conversation.
【单选题】Turn on the television or open a magazine and you ________ advertisements showing happy families. A. will often see B. often see C. are often seeing D. have often seen
A.
will often see
B.
often see
C.
are often seeing
D.
have often seen
【简答题】4函数的极值与最值练习题.docx
【简答题】函数曲线 在定义域内( )． (A)有极值有拐点 (B)有极值无拐点 (C)无极值有拐点 (D)无极值无拐点
【简答题】y=xlnx的极值与极值点．
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