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【单选题】
依据U1PB阅读理解选择:BMW7series belongs to ________.A.
intermediates
B.
compacts
C.
subcompacts
D.
full-sizes
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反馈参考答案：
举一反三
【多选题】在短期中,当产量为0时
A.
总成本等于0,可变成本等于0
B.
总成本大于0,可变成本等于0
C.
固定成本大于0,可变成本等于0
D.
固定成本大于0,可变成本大于0
【简答题】完形填空。 One day, Peter went to see his doctor . 'I am always tired when I 1 in the morning.' he said. 'Do you sleep well?' the doctor asked. 'Well, not 2 . I dream so much. I have being like this for a ...
【单选题】Atter several hours the doctor was finally able to give us his____. John had broken his ankle.
A.
diagnosis
B.
disease
C.
symptoms
D.
signs
【简答题】Fill in the blanks with the words given below, changing th form if necessary. His doctor ________ us that she'll be fine. (assure)
【单选题】mr. smith is not doing well; the doctor told us that several colds his health
A.
has undermined
B.
undermined
C.
undermine
D.
abandon
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