题目

—Can we still see this kind of rare trees in the Purple Mountain?—It is hard to say. There be some on the top of it.A.will B.must C.may D.need 答案:【答案】C【解析】句意:——我们还能在紫金山看到这种稀有树木吗?——很难说,山顶山可能有些。考查情态动词。A. will将会;B. must肯定;C. may可能;D. need必须。根据答句中“It’s hard to say.”可知表示不确定的推测,用may。故答案为C。8.已知函数y=x2-2014x+2013与x轴交点是(m,0),(n,0),则(m2-2015m+2013)(n2-2015n+2013)的值是2013.
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