According to the passage, the two daughters seem to
A.enjoy the evening's shopping in the beginning.
B.be reluctant to run errands with the mother.
C.enjoy browsing various kinds of items.
D.be glad to help their mother with housework.
第4题
A. 水流流速增大、水温升高
B. B.水流流速减小、水温升高
C. C.水流流速增大、水温降低
D. D.水流流速减小、水温降低
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