【題目】Emergency line operators must always ________ calm and make sure they get all the information they need to send help.

A.stayB.becomeC.appearD.grow

【答案】A

【解析】

考查動(dòng)詞。句意:緊急電話接線員必須保持冷靜,確保他們得到了需要發(fā)送幫助的所有信息。A. stay保持;B. become變得;C. appear出現(xiàn);D. grow成長。分析句子可知,此處表示保持冷靜。結(jié)合選項(xiàng),故選A。

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