牛津深圳版九年级下册期末复习-语法填空专项训练（有答案）

九下语法填空专项练习 阅读下面短文，在空格处填入一个恰当的词或使用括号中词语的正确形式填空。 （一） World Sleep Day is on March 21 every year. The aim of it is to make people pay attention to the(46) _________ (important) of sleep.Sleep quality (质量) plays (47) _________key role in peopled health. Researchers say that there are a lot of advantages (48) ________ we always get enough sleep. We can be smarter, thinner, healthier and (49) ________ (cheerful). Also we will have better skin, better memories and longer lives.(50) ________ general, adults need to have at least eight hours of sleep a night, but a recent survey (51) ________ (find) that, on workdays, only 21% of them really got a full eight hours of sleep, and the other 21% got less than six. For teenagers, a healthy amount (52) ________ (be) about eight to nine hours per night. (53) ________, about 80% of high school students don’t get enough sleep because of their schoolwork or some bad (54) ________ (habit).Now there are over 80 kinds of sleep disorders, and most people know