...by nearly 90 percent.(5)Judging by the of the audience,he...
(10)He soon realizes that there is something about his background. 答案(1)try out.考查动词短语作谓语。根据句意"在进行实验之前,我们应该试用所有的设备。"可知要填的词为"try out试用",前面有情态动词,所以用动词原形,故填try out。(2)alive.考查形容词。根据句意"我认为看到...