单项选择题

适宜果树根系生长的土壤含水量是田间持水量的（）。 A.
40% B.
50% C.
60—80% D.
80—90%

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Western people would like to drink some tea first before their dinner.

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Yunpeng believes that remaking popular novels into film will ____.

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B．endanger the authors’ reputation as best-seller writers
C．open up great opportunities for the authors
D．give the writers inspiration to learn more about life