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16．Scientists predict that by 2025，90%of all electronic communication______by mobile phone．（　�。�
A．will conductB．will be conducted
C．has conductedD．is conducted

分析 科學家預測，截止到2025年所有的電子交流中90%都會通過手機來完成．

解答 答案：B．
本句中根據(jù)predict可知是對未來事情發(fā)展的一種預測，又加上時間狀語by 2025可知應用一般將來時，而electronic communication與conduct之間為邏輯上的動賓關系，所以應該用被動結構，故選B．

點評 對于時態(tài)的題要結合句子中典型的表示相應事件發(fā)生時間的詞，如，預言、將要、做過、完成等詞還要結合具體的時間狀語來判斷句子的時態(tài)，同時要弄清具體的語態(tài)．如：Unless extra money is found，the theatre will be closed．除非找到另外的投資，否則這家電影院就會被關閉．

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