The purpose for turning night into day is to ________. A) confuse animals and plants B) light up more cities C) save energy and deal with emergencies D) enable people to work longer hours
【简答题】听下面5段对话。每段对话后有一小题,从题中所给的A、B、C三个选项中选出最佳选项。并标在试卷的相应位置。听完每段对话后,你将有10秒钟的时间来回答有关小题和阅 读下一小题。每段对话仅读一遍。 1. When did the speaker start? A. At 4:00. B. At 4:15. C. At 4:22. 2. What is Jack now? A. A student. B....