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[主观题]
He failed to live up to _______ had been expected of him.A. what B. which C. that D
He failed to live up to _______ had been expected of him.
A. what B. which C. that D. all
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He failed to live up to _______ had been expected of him.
A. what B. which C. that D. all
第4题
A.智能天线能够提高基站接收灵敏度,增加基站覆盖距离
B.智能天线能实现用户定位,不需要GPS
C.只有定向天线阵能使用智能天线,全向天线阵无法使用智能天线技术
D.即使用户处于同一方向时,智能天线也能发挥其优势。
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