题目内容
Sleep is crucial for good mental and physical health,yet it's often overlooked in discussions about 1. individuals can do to improve people’s health.
A latest survey has found that Americans get 2. too little sleep or sleep that is of very poor quality. In fact,within any 24-hour period,a third of Americans report having not received the 3. (recommend) minimum of seven hours of sleep.
Lack 4. sleep is associated with an increased risk of several diseases,including type 2 diabetes,heart disease and depression. And it also contributes to traffic accidents,5. (industry) accidents and medical errors. That's 6. the
U.S. Centers for Disease Control and Prevention has declared it a public health epidemic(流行病) .
According to Dr. Michael Howell,7.assistant professor of neurology(神经学) at the University of Minnesota,good sleep habits,like ones for exercise and diet,need 8. (practise) over the long term. Besides the amount of sleep you need,when you get it also 9. (matter) .Eight hours of poorly timed sleep is not 10.(particular) satisfying.
1. what。考查连接词。设空处引导 宾语从句且在从句中作do的宾语, 故填what。
2. either。考查连词。.either... or...意 为“或者……或者……”。
3. recommended。考查过去分词作定 语的用法。设空处作定语,且recommend 与 minimum 之间是逻 辑上的动宾关系,故填 recommended 。
4. of。考查介词。lack of意为“缺少”。
5. industrial。考查形容词作定语的用 法。设空处修饰名词accidents ,故 填形容词industrial。
6. why。考查连接词。设空处引导表 语从句且设空处所在句意为“这是 美国疾病控制与预防丰心把睡眠 不足称为大众流行病的原因”,故 填 why。
7. an。考查不定冠词。assistant professor为可数名词,且在此处表 泛指,故填an。
8. to be practised / practising。考查 谓语动词。
habits与practise之间 是被动关系,need后可用不定式的-ing动式或动词-ing形式的主动式表 不被动意义,故填to be practised / practising。
9. matters。考查一般现在时和主谓 一致。设空处描述的是客观事实, 且名词性从句作主语时,谓语动词 用单数,故填matters。
10. particularly^考查副词。.设空处修饰satis&ing ,故用副词。