(每日一练)（精选试题附答案）高中英语必修一 Unit2TravellingAround 必考
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单选题

1、
Because of the tight________ and heavy workload of Grade 12, many students have to make use of their lunch break to
finish homework.

A．scheduleB．investigationC．performanceD．impression

答案：A

考查名词词义辨析。句意：由于高三年级课业紧张，课业繁重，许多学生不得不利用午休时间来完成作业。
A. schedule 日程安排；B. investigation 调查；C. performance 表现；D. impression 印象。根据
“heavy workload of Grade 12”可知，高三年级日程安排紧张。故选 A 项。

2、With the _______ of scientific research, cloning will have s ...