试题与答案

— Where is your mother? — She ______ to

题型:选择题

题目:

— Where is your mother?
— She ______ to Beijing on business, she will be back in a week.

A. goes
B. went
C. has gone
D. has been

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:移动平均线的应用中,以下四种情况均为买入信号:①平均线从下降开始走平,股价从下上穿平均线。②股价跌破平均线,但平均线呈上升态势。③股价连续上升远离平均线,突然下跌,但在平均线附近再...

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