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【简答题】
（-m 2 ） 7 ÷（-m 2 ） 3 （-m 2 ） 4 =______．
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举一反三
【简答题】A．A very limiting diet eating only salads. B．A moderate diet emphasizing careful eating habits. C．A very mild diet with lots of sweets. D．A strict diet eating only once a day.
【简答题】vi.皱眉,蹙眉_____
【单选题】According to the man, what kind of diet should he follow?
A.
A very restrictive diet eating only salads.
B.
A moderate diet with no sugar.
C.
A very mild diet with lots of sweets.
D.
A strict diet eating one meal a day.
【简答题】进水管口在进水池水面以下的深度称为( )
【简答题】A．A very restrictive diet eating only salads. B．A moderate diet emphasizing careful eating habits. C．A very mild diet with lots of sweets. D．A strict diet eating only once a day.
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