2022 全国100所名校单元测试示范卷物理选修3—1答案，目前我们已经整理了2022 全国100所名校单元测试示范卷物理选修3—1答案的各科答案和试卷，更多全国100所名校请关注本网站。
2021-2022年100所单元测试各科试题及答案
1. 阅读下面短文，在空格处填入一个适当的词或者使用括号中词语的正确形式填空。Michael is ________ American high school student. Like many schoolmates, Michael used ________ (eat) breakfast while it was still dark. But that changed when his high school followed a new time schedule two years ago.
The problem of school start time has become one of the most important issues ________ are discussed in public. A growing number of sleep-related studies have pointed to high school students' need ________ more sleep. More than half of the ________ (child) between ages 15 and 17, as is shown by researches, sleep for 7 or ________ (few) hours per night.
Children like to stay up at night, usually going to bed late and waking up late in the morning. These habits may ________ (cause) by the biology (生理), according to researchers. They think changing the sleep schedule of children ________ (be) unable to work, "Only going to bed earlier will not ________ (certain) make someone less tired in the early morning hours, "said a researcher. He also added, "Kids' lack (缺乏) of enough sleep is a growing public health problem in our nation. We need to work out ways to deal with ________. Putting off school start time may be helpful."
1. (2017高一上·临汾月考) We were not allowed ________(refer) to our notes while________(take) the exam.
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