大约一半学生住在校园里，另一半在城里租房住。
About half the students live on campus - the other half rent rooms in the town.
一周之后，受试者报告了他们使用的防晒霜数量，大约一半学生之前准确地预测了自己的行为。
A week later, the participants reported how much sunscreen they actually used. About half had been able to accurately predict their behavior.
在一半的案例中，实验者在提供关于研究的口头说明的同时，会轻轻拍拍学生的肩膀，持续了大约一秒钟的时间。
In half the cases, the experimenters patted the students lightly on the back of the shoulder for about one second while providing verbal instructions about the study.
切尔西就读的小学里有大约60%的学生是黑人，超过一半的学生来自低收入家庭。
Chelsea's elementary school was about 60 percent black, and more than half the kids were from low-income families.
一项研究表明，大约一半的小学生可以调整他们每天的睡觉起床时间一小时，但更大的改变会成为一个挑战。
In one study, about half of school pupils were able to shift their daily sleep-wake schedules by one hour. But significant change can be a challenge.
一项研究表明，大约一半的小学生可以调整他们每天的睡觉起床时间一小时，但更大的改变会成为一个挑战。
In one study, about half of school pupils were able to shift their daily sleep-wake schedules by one hour.But significant change can be a challenge.
这次考试中大约有一半学生没及格。
然而，我们发现，大约一半的学生没有为大学的数学水平做好准备。
However, what we're finding is about half of our students are not prepared for mathematics at the college level.
要求大约有一半学生思考正在死亡或已经死亡，并写描述他们想象死后自己身上发生的事情的短篇故事。
About half of the students were asked to contemplate dying and being dead, and to write short essays describing what they imagined happening to them as they physically died.
调查的结果显示：在城市中有大约一半的学生请家教。
The result of the investigation has showed that about 50% of students in cities have private tutors.
调查的结果显示：在城市中有大约一半的学生请家教。
The result of the investigation has showed that about 50% of students in cities have private tutors.
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