50．[2010·成都三诊]--- What’s wrong with your mobile phone? Every time I call, the only response is “Sorry, the number you dialed is out of service- ! --- Really? Maybe it’s because my mobile isn’t the signal well. A．picking out B．picking up C．giving out D．giving up 50B考查动词短语的含义及语境.句意:可能是因为我的手机接收信号不好.根据句意选B.pick out挑选,pick up接收,give out发出,give up放弃. 【
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