第2题: [单项选择]The ___________ from childhood to adulthood is always a critical time for everybody. A. conversion B. transition C. turnover D. transformation 参考答案:B 答案解析:[译文]从童年走向成年的过渡期在每个人的一生中都起着决定性的作用。
[题解]名词辨义:conversion为“(形状、性质等的)转换,变换;改变信仰”;transition为“过渡,转变”;turn
第4题: [单项选择]John's score on the test is the highest in his class, he ______ very hard. A. must have studied B. should have studied C. must study D. should study 参考答案:A 答案解析:[解析] 本题考查虚拟语气的用法。根据题意:John的考试成绩是最高的,故他肯定考试前努力了。must+have+过去分词,表示对过去的某事作出肯定语气的推测。故选A。