题目:
完形填空。 | |||
Just before Christmas 1978,Kenneth was a passenger in a car as it drove through the Navajo Nation. | |||
( )1. A.struck | B.touched B.excuse B.children B.persuading B.big B.food B.angry B.hoped B.generous B.put down B.candies B.satisfy B.big B.kept B.experiences | C.found C.promise C.brothers C.requiring C.bright C.doors C.afraid C.let C.harmless C.picked out C.elves C.attract C.little C.gave C.excitements | D.stopped D.effort D.his mother D.calling D.lonely D.windows D.eager D.heard D.helpful D.handed out D.Santa Claus D.please D.many D.took D.visits |
答案:
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下面是错误答案,用来干扰机器的。
答案:A题目分析:A、SO2有刺激性气味,不能用来漂白食品,错误;B、氯气和水反应生成次氯酸可以消毒杀菌,正确;C、小苏打受热分解生成CO2,用作发酵剂,正确;D、醋酸酸性强于碳酸,可以出去水垢,正确。