分析 本文介绍了著名的电子产品展览CES上的四个电子产品.
解答 21.C.细节理解题.由Sensorwake中的Sensorwake is an alarm clock that wakes you up with smells可知,它是通过报警的方式来唤起你的嗅觉,故选C.
22.B.理解推断题.由Pic 中的The camera is made from plastic so you can bend it around a dog's collar,your wrist,a bicycle or other places from which you may want to take pictures.可知,你可以在狗的项圈、手腕、自行车或其他你想拍照的地方弯曲它,因此它可以适合很多地方,故选B.
23.A.理解推断题.由Presence一段中的The camera sends a live video stream to the app on your phone and informs you when a car,person or animal comes close to the door,摄像头会在你的手机上发送一个实时视频,当汽车、人或动物靠近门的时候告诉你,可知它可以保护家的安全,故选A.
24.B.细节理解题.由Presence一段中的Presence should be available later this year,可知要到下一年才能买到摄像头,故选B.
点评 本文是广告布告类阅读理解.做这类题材阅读理解时要求考生对文章通读一遍,做题时结合原文和题目有针对性的找出相关语句进行仔细分析,结合选项选出正确答案.推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案,切忌胡乱猜测,一定要做到有理有据
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A. | had rained | B. | rains | ||
C. | would rain | D. | has been raining |
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科目:高中英语 来源:2016-2017学年河南省商丘市九校高一下学期期中联考英语试卷(解析版) 题型:阅读理解
Do you drink water that's been left sitting out overnight or even for another day? Have you noticed it tastes different?
Tap water that has been left to sit out slowly begins to acquire an off taste. Many people think that this is because of microorganisms(微生物). But that's not what makes old water taste not fresh. For that we can thank carbon dioxide. After about 12 hours, tap water starts to go flat as carbon dioxide in the air starts to mix with the water in the glass, lowering its pH and giving it an off taste. But it's most likely safe to drink.
However, back to those microorganisms. If you use a dirty glass day after day, there is more of a chance of bacteria making themselves known; a risk that increases if you share the glass with another mouth as well. But assuming you use a fresh glass every few days, you probably won't have a problem unless the glass has been touched by dirty fingers, and especially if those dirty fingers went unwashed after using the bathroom.
As for plastic water bottles that have been left out in the sun or in the car, step away from the bottle, warns Dr. Kellogg Schwab, director of the Johns Hopkins University Water Institute. "A chemical called bisphenol-A, or BPA, along with other things used to make plastic can leach(过滤) into your water if the bottle heats up or sits in the sun," he explains. BPA, as you probably know, has been linked to everything from heart disease to cancer. Schwab also adds that plastic used for commercial bottled water isn't meant to be washed or refilled, so use only one time and recycle. Or don't buy them at all; use refillable water bottles instead.
1.Tap water begin to acquire an off taste because of ________.
A. BPAB. the glassC. the microorganismD. carbon dioxide
2.According to Paragragh 2, tap water that's been left sitting out for 12 hours ________.
A. tastes betterB. is still safe to drink
C. contains few microorganismsD. is most likely undrinkable
3.What should we do with plastic water bottles that have been left out in the sun or in the car?
A. Throw them away.B. Refill them with fresh water.
C. Use them after they cool down.D. Clean them and use them again.
4.Which of the following is true about BPA?
A. It is safe for people to use.
B. It is a kind of new material.
C. It can cause great harm to people.
D. It is the main material to make plastic.
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