人教版 八年级上册 Unit 2 同步专项训练（无答案）

Unit 2 How often do you exercise? A I 完形填空 Do you find it hard to get up early and go to school in the morning? Many students in the US feel that way. But luckily 1 them, some middle and high schools in 44 states have started delaying(推迟) their starting times. In the US, the local governments (地方政府) or the schools themselves 2 school starting times. For example, in California, high school start at 7:35 a.m. In New York, middle schools started at 8:15 a.m. and high schools at 7:30 a.m. before the 2015-2016 school year. But now each school in New York starts and ends 45 minutes 3 . “Middle and high school students need 8.5 to 9.5 hours of 4 a day,” said the scientist. “And schools 5 not start earlier than 8:30 a.m.” “The good side is that students are more awake. ” said one principal(校长). 6 , a few parents complain(抱怨) that in this way, sports and extra courses may go into dinner time, an din the winter, into the 7 . That is what parents 8 , she said. “It’