科目: 来源:不详 题型:完形填空
| 小题1: |
|
| 小题2: |
|
| 小题3: |
|
| 小题4: |
|
| 小题5: |
|
| 小题6: |
|
| 小题7: |
|
| 小题8: |
|
| 小题9: |
|
| 小题10: |
|
| 小题11: |
|
| 小题12: |
|
| 小题13: |
|
| 小题14: |
|
| 小题15: |
|
| 小题16: |
|
| 小题17: |
|
| 小题18: |
|
| 小题19: |
|
| 小题20: |
|
查看答案和解析>>
科目: 来源:不详 题型:阅读理解
| A.they are a species of primates |
| B.they have much larger brains |
| C.their brain structure is more complex |
| D.they were constantly pushed to get smarter |
| A.the brain kept growing in size to adapt to new environments |
| B.most regions of the brain didn’t change |
| C.the prefrontal cortex grew more than the rest of the brain |
| D.humans’ brains became increasingly simple so that humans could survive |
| A.Gender makes a difference in intelligence. |
| B.The size of the brain has nothing to do with intelligence. |
| C.Species whose brain is organized properly tend to be smarter. |
| D.Larger brains are usually organized better than smaller ones. |
| A.by presenting research data |
| B.by giving examples |
| C.by making a comparison |
| D.by analyzing cause and effect |
查看答案和解析>>
科目: 来源:不详 题型:阅读理解
| A.A few comets are moving to the direction of Earth. |
| B.Earth’s working life is coming to an end soon. |
| C.Earth will become too hot for mankind to keep alive. |
| D.The moon is moving farther and farther away from Earth. |
| A.12 billion | B.6 billion |
| C.18 billion | D.24 billion |
| A.The comet might hit Earth and man might lose the Moon. |
| B.Earth might be moved too far away and man might be frozen to death. |
| C.The comet might hit Jupiter or Saturn and never return to Earth. |
| D.Earth’s working life might be greatly shortened. |
| A.Provide. | B.Benefit. |
| C.Share. | D.Endanger. |
查看答案和解析>>
科目: 来源:不详 题型:阅读理解
| A.a research on physical education has been done by the researchers |
| B.there exists a possibility that physical activity leads to higher grades |
| C.the amount or kind of activity directly affects academic level |
| D.the research shows that the children aged 6 to 1 8 don't do sports |
| A.Being mentally active is good for academic subjects. |
| B.The more hormones you have,the more stressed you will get. |
| C.They have found many high-quality studies to prove the research. |
| D.The educators in the research think studies,not exercise,mean much to students. |
| A.good marks result from high-quality study |
| B.findings probably vary in different areas |
| C.physical activity will spread all over the world |
| D.academic performance depends on the surroundings |
| A.To call our attention to the sports at school. |
| B.To introduce all types of physical activities. |
| C.To represent the academic performance. |
| D.To improve students' health . |
查看答案和解析>>
科目: 来源:不详 题型:阅读理解
| A.Corals are unable to adjust to temperature changes. |
| B.Cold temperature causes greater damage to corals. |
| C.Hot temperature helps coral reefs to grow quickly. |
| D.Heat and cold damage corals in their own ways. |
| A.scientists used to pay no attention to the effect of cold events on corals |
| B.2010 witnessed one of the greatest temperature differences on record |
| C.corals prefer warmer conditions to cold temperatures in the long run |
| D.global warming has nothing to do with the decrease of temperature |
| A.corals may continue to grow in cold events after a few days |
| B.cold events help corals grow more quickly in a short time |
| C.corals show no response to hot temperatures in the first days |
| D.corals are whitened mainly because of warm temperatures |
| A.news report | B.scientific study | C.great imagination | D.natural conditions |
查看答案和解析>>
科目: 来源:不详 题型:阅读理解
| A.to set up |
| B.to make people accept a belief |
| C.to discover or prove |
| D.to start having a relationship with others |
| A.By studying Allan Hills meteorite. |
| B.By using spacecraft orbiting Mars. |
| C.By studying minerals gathered on Mars. |
| D.By studying a meteorite on the Martian surface. |
| A.Measuring the temperature of Mars. |
| B.Taking photos of the surface of Mars. |
| C.Finding that there is water flowing on Mars. |
| D.Proving where human beings will probably land on Mars. |
| A.In a biography of scientists. | B.In a geography magazine. |
| C.In an environment report. | D.In a science report. |
查看答案和解析>>
科目: 来源:不详 题型:完形填空
| 小题1: |
|
| 小题2: |
|
| 小题3: |
|
| 小题4: |
|
| 小题5: |
|
| 小题6: |
|
| 小题7: |
|
| 小题8: |
|
| 小题9: |
|
| 小题10: |
|
| 小题11: |
|
| 小题12: |
|
| 小题13: |
|
| 小题14: |
|
| 小题15: |
|
| 小题16: |
|
| 小题17: |
|
| 小题18: |
|
| 小题19: |
|
| 小题20: |
|
查看答案和解析>>
科目: 来源:不详 题型:阅读理解
| A.Everyone dreams but very few can recall what they dream. |
| B.Some people have long dreams and others have very short ones. |
| C.People can only remember unpleasant dreams. |
| D.More than eighty percent of people can remember their dreams. |
| A.between each 90-minute cycle |
| B.at any time during 90-minute cycles |
| C.during the first five stages of 90-minute cycles |
| D.in the last stage of 90-minute cycles |
| A.hardly remember their dreams |
| B.easily remember their dreams |
| C.only remember their dreams |
| D.partly remember their thinking activity |
| A.can always remember their dreams |
| B.have trouble getting into sleep at night |
| C.experience rapid eye movement |
| D.usually wake after each 90-minute sleep period |
查看答案和解析>>
科目: 来源:不详 题型:完形填空
| 小题1: |
|
| 小题2: |
|
| 小题3: |
|
| 小题4: |
|
| 小题5: |
|
| 小题6: |
|
| 小题7: |
|
| 小题8: |
|
| 小题9: |
|
| 小题10: |
|
| 小题11: |
|
| 小题12: |
|
| 小题13: |
|
| 小题14: |
|
| 小题15: |
|
| 小题16: |
|
| 小题17: |
|
| 小题18: |
|
| 小题19: |
|
| 小题20: |
|
查看答案和解析>>
科目: 来源:不详 题型:阅读理解
| A.By sounding a warning. |
| B.By touching the wristband. |
| C.By checking the driving time. |
| D.By pressing the steering wheel. |
| A.about 400 milliseconds | B.below 500 milliseconds |
| C.over 500 milliseconds | D.about 4 minutes |
| A.moves more regularly |
| B.stops working properly |
| C.opens the window for the driver |
| D.sounds more frequently and loudly |
| A.aims to reduce tiredness-related accidents |
| B.has gone through testing at laboratories |
| C.aims to prevent drivers from sleeping |
| D.has been on sale for 12 months |
查看答案和解析>>
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com