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1、英语必修外研版m1课时演练AprimaryBalternativeCinstantDunique解析：primary初等的；最初的；alternative可供替代的；可选择的；instant立即的；即刻的；unique独一无二的。由常识可知，阳光、风力及水力都是可替代能源，故B项正确。explore new ways of doing sth.探索做某事的新方法。答案：B4Have you _？No.I had the wrong number.Agot inBgot awayCgot offDgot through解析：句意：你打通电话了吗？没有。我拨错号码了。get in进入，抵达，收获；
2、get away走开，逃脱；get off(从)下来，出发，下班，逃脱惩罚；get through完成，度过，通过，讲清楚，打通电话。答案：D8When can I come for the book? I need it this afternoon.It should be ready by noon.You can _ us.Await onBwatch onCrely on Dcall on解析：答语意为“中午之前应该能准备好，你完全可以信赖我们”。rely on 信赖，依靠。答案：C9Henry，_ the light is _ when you leave the lab.All
3、right. Abe sure；turned onBmake sure；turned off Csure；turning off D. make sure；turning off 解析： A项中的turned on 与句意不符；C项中sure不能引导祈使句；D项中turning off与语态不符。答案：B10It is reported that after the explosion of the buses several men were arrested but no one has been _.AscoldedBchargedCblamedDcriticized13He seems _ tired to do it.But I am only _ glad to do it.Avery；tooBextremely；tooCtoo；tooDvery；very解析：句意：他好像太累了而不能做它。但我非常乐意做它。too.to.太而不能，当too后的形容词为glad等时，表示肯定意义。答案：C14I made a call to my parents yesterday.To my disappointment，_ of them answered it.AeitherBnoneCneitherDnobody解析：neither表全部否定，即两人中没有一个人接电话。
