7. If Newton lived today,he would be surprised by what in science and technology.

   A. had discovered   B. had been discovered

   C. has discovered   D. has been discovered

7. D

7. D解析:考查時態(tài)和語態(tài)。句意:如果 牛頓活在今天的話，他一定會為科技上 的發(fā)現(xiàn)大吃一驚的。分析句意可知， what與discover為動賓關(guān)系，由today 可知應(yīng)用現(xiàn)在完成時。

題目來源：2016年周測月考直通高考高中英語必修4外研版 > 周內(nèi)課時練 16 Period 4 Period 4 Grammar & Writing

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