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课时提升作业(二十三)
必修5 Unit 3
Ⅰ. 单项填空
1. (2013·信阳模拟)Health problems are closely connected with bad eating habits and a of exercise.
A. limit B. lack
C. need D. demand
2. —Just a minute, Miss White, our glasses have been .
—Oh, sorry, they look like the same, and I am so careless.
A. switched B. stolen
C. broken D. robbed
3. (2013·龙岩模拟)Don’t believe in those ads that you can master a language in one month. Instead, it is a(n) process, which may last for years.
