【题目】Cloze 1
体裁 | 文章话题 | 词数 | 建议时间 | 难度 | 自测正确率 |
说明文 | 可以发出地震警报的应用程序 | 228 | 10分钟 | ★★★☆☆ |
A new phone app uses vibrations from smartphones to alert people about earthquakes. 1 phone app recognizes sudden shaking of the earth’s surface through sensors in smartphones.
The new app is called MyShake. It is the work of four 2 (research) at the University of California, Berkeley. They said they created a worldwide warning system 3 would inform people and give them time to prepare. Other earthquake apps include QuakeFeed, Quakes and Earthquake. They show 4 earthquakes have happened, at what strength, and the aftershocks. Those use data from the U.S. Geological Survey.
Smartphones 5 (equip) with accelerometers(加速计). These instruments measure movement, like that of a car or airplane. 6 (probable), they can also measure the shaking of a machine, a building or other structures. Accelerometers are used in activity trackers and apps that count steps or other exercise. They also are used in global positioning system apps, also 7 (call) GPS.
MyShake uses phone accelerometers to measure seismic(地震的) activity. It has been designed 8 (know) the difference between normal activity and earthquake movement. The software developers say their app is right 93 percent of the time.
A smartphone sends seismic 9 (inform) to the app developers. If the developers receive several warnings from one area, it recognizes that an earthquake may be taking place 10 will take place soon.
【题目】读“中国农业区划委员会对我国各地的土地生产潜力和最大可能人口密度估算的部分数据”,分析青藏地区环境人口承载力的特点是( )
估算地区 | 年生产量(万吨) | 可承载人口量(万人) | 最大人口密度(人/平方千米) |
长江中下游 | 88 600 | 22 000 | 395 |
青海、西藏 | 10 000 | 1 000 | 4 |
①地域广大,资源丰富,环境人口承载力大
②地处内陆,气候干旱,环境承载力小
③地理环境“高、寒”,生态脆弱,环境人口承载力小
④充分利用该地区丰富的太阳辐射能,可提高土地生产潜力和环境人口承载力
A. ①② B. ③④ C. ①③ D. ②④
【题目】Cloze 4
体裁 | 文章话题 | 词数 | 建议时间 | 难度 | 自测正确率 |
说明文 | 读书是一种好的爱好 | 185 | 10分钟 | ★★★★☆ |
First, reading books 1 (be) fun. You can always keep yourself 2 (interest) and it can help you have an enjoyable time if you like reading. This is especially useful when the weather is bad. It is a(n) 3 (relax) hobby too.
Next, you can read a book anywhere: in a car, on a plane, in bed — even in the bath. 4 you need is a book! Reading is a convenient hobby as it is easy to stop and start again.
Another good reason for reading books is 5 it is useful. If you read as a hobby you 6 (get) better and better at it. This means that you will read faster and become 7 (good) at understanding what you read. As your reading improves, you will probably find your schoolwork becomes much easier. Many school subjects depend 8 good reading and, as you read you learn more and more.
Good readers are most likely to be good 9 (write), too. They are usually good at 10 (spell) as well, and have more things to write about. Reading books is really a wonderful hobby.
【题目】读“甲、乙两地人口的抽样调查表(每10 000人中各年龄段人数及死亡率统计)”,据此回答下列各题。
年龄 | 0~14 | 15~60岁 | 60岁以上 | 总计 | |
甲 | 人口数 | 2 000 | 6 500 | 1 500 | 10 000 |
死亡率(%) | 0.6 | 0.6 | 2.5 | 3.7 | |
乙 | 人口数 | 3 500 | 6 000 | 500 | 10 000 |
死亡率(%) | 0.75 | 0.7 | 2.2 | 3.65 |
【1】下列说法正确的是
①决定人口自然增长率的是出生率与死亡率
②人口出生率由人口基数决定,基数大,出生率就高
③死亡率由人口数量决定,人口越多,死亡率越高
④人口增长数量与人口基数有重要关系,一般人口基数越大,增长数量越大
A. ①② B. ③④ C. ①④ D. ②③
【2】下列说法与表格内容相符的是
①乙地人口表示发展中国家,甲地人口表示发达国家
②各年龄段死亡率甲小于乙,因此死亡总人口数也是甲小于乙
③发展中国家的死亡率高于发达国家
④甲地人口死亡率偏高一些,主要原因是甲组老年人口比例高
A. ①② B. ①④ C. ③④ D. ②③