题型：选词填空（语篇） 题类：真题 难易度：普通
山东省泰安市2018年中考英语试卷
sleep, who, sit, similar, active, off, raise, how, little, kind |
In today's world, sleep experts often say that for a better night's rest, Americans should turn their smart phones or iPads before sleeping. Such electronic products make the brain more , and then influence their sleep. But according to a latest survey, more than 90% of Americans regularly use a computer or some other of electronic products in the hour before bed.
Researchers find that man-made light from some electronic products at night may reduce(减少) the brain chemicals that help . In the study, the researchers let volunteers read, play games and watch movies on a screen for different time while measuring much light their eyes received. They found that two hours of before a bright screen at night reduced the sleep chemical levels by about 22%.
Then the researchers studied the college students often used computers at night. They got the results. And researchers say that may not only cause sleeplessness, but also the risk of obesity(肥胖症), diabetes(糖尿病) and other diseases.
To be on the safe side, the researchers suggest that we should use computers than before, or turn down our screens as much as possible before sleeping.
leave, will, clean, smell, hardly |
A: Hello, Kate! You look so happy. What happened?
B: Hi, Paul. I've got good news for us!
A: What is it?
B: Our teacher said she {#blank#}1{#/blank#} take us to go on a school trip tomorrow.
A: Really? Where shall we go?
B: To the lake in the south of our town.
A: Oh, no. That's not a good place for a school trip.
B: Why do you say that?
A: Because the water in the lake {#blank#}2{#/blank#} terrible. I went there last weekend.
B: I can {#blank#}3{#/blank#} believe it. It used to be a beautiful place with flowers and grass, and the water in the lake was very {#blank#}4{#/blank#}.
A: But now everything has changed. There is only rubbish {#blank#}5{#/blank#}.
B: How terrible! Let's tell our teacher about it.
A: OK. Let's go.
discuss, found, include, shut, hand in |
试题篮
