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1、学 海 无 涯 2020 中考英语冲刺阅读理解 专题训练 2 A Elephants are the largest land animals alive todayAfrican elephants live in family groups called herds(群)All of the elephants in the herd take care of each otherThe leader of the herd is an old mother elephantShe is the matriarch( 族 长 )A herd may have as few as eight
2、 or as many as 100elephantsThe other elephants follow the matriarch because she knows how to keep them safe from coming danger Elephants learn by watching and copying other elephants, and also learn from lifeBaby elephants stay with their mothers until they are fully grown at about ten years oldElep
3、hants live to be 50 or 60 years oldElephants are smart animals with long memoriesIn the dry season, a matriarch can remember where water was found in the pastThe herd will follow her thereShe can also remember the safest place for baby elephants to cross a fast-moving river Elephants talk to each ot
4、her with rumbling soundsSome rumbling sounds are so low and deep that people are unable to hear themElephants hear sounds not only with their ears, but also with their feet, and even trunks （long noses of the elephants）They also greet each other by touching with their trunks and feet. If danger appe
5、ars, mothers beat their ears to call their babies to them Other animals dont usually attack( 攻 击 ) elephantsHowever, a lion might try to attack a sick elephant or a babyIf this happens, the adult elephants circle around the baby elephantsThe adults make louder sounds and hit the ground with their tr
6、unksThe matriarch puts herself between the lion and the herdShe beats her ears out to make herself look even largerThen she lowers her herd and attacks the enemy(敌人) in a big cloud of dust(灰尘) According to paragraph 1， an elephant herd has a father elephant as the leader owns a matriarch who keeps i
7、t away from danger always has several leaders and hundreds of elephants 2Long memories help elephants to Achoose their matriarchBcommunicate with each other Cfind water and cross the river What does the underlined word rumbling mean？ A低沉的B尖细的C高亢的 4Why do the adult elephants circle around their babie
8、s？ ATo keep their babies safeBTo welcome their friends CTo attack their enemies The passage mainly tells us about Awhy the elephants live in herdsBwhat the elephants living habits are Chow the elephants avoid being attacked B Inventions usually make a big difference to peoples lives. Do you have any
9、 great inventions at home? Do they help you a lot in your life or bring you much fun?Here are some of the most useful inventions in families according to a survey.,1,学 海 无 涯,It is for kids to learn with the reading pen. A. boringB. convenientC. difficult The three useful inventions are mainly used .
10、 A. at schoolB. in the officeC. at home Mopping robots are popular with . A. kidsB. office ladiesC. old people Old people can keep their blood pressure normal by . A. using the electric foot basinB. listening to music with the reading pen C. enjoying the mopping machine working Which of the followin
11、g sentences is TRUE? The water wont get cold when the electric foot basin is used. Its dangerous for kids to use the reading pen alone. Mopping robots can help people forget their busy life. C The worlds largest radio telescope was finished on Sept. 25, 2017 in China. FAST is a five-hundred-meter te
12、lescope. It is also called Tian-yan (The Eye of Heaven), with a dish the sire of 30 football grounds, deep in the mountains of southwest Chinas Guizhou Province. The giant dish is built on a howl-like valley. The surrounding area has radio silence as there are no towns and cities within a 5-kilomete
13、r radius（半径范围） and only one county center within 25 kilometers. FAST is made up of 4,450 panels(面板). The second largest radio telescope is in Russia. The bigger dish will be able to pick up weaker signals (信号). The radio telescope is like an ear, listening to tell meaningful radio messages from whit
14、e noise in the universe. With the help of the telescope, we can receive weaker and more radio messages far away,2,3,学 海 无 涯 in space. It will help us to search for intelligent life outside of the Galaxy(银河系) and explore the origins（起源）of the universe. Any of its discoveries will lead to a Nobel Priz
15、e, said Joseph Taylor, a Noble Prize winner. The FAST project began in 2011. And the telescope is expected to remain the global leader for the next 10 to 20 years. Where was FAST developed? A. In China.B. In Russia.C. In America. The underlined word giant probably means in Chinese. A.神秘的B. 巨大的C. 宽广的
16、 FAST is used to . explore the origins of human beings receive distant radio messages from the universe watch the beautiful scenery of the Galaxy From the passage, we can know that . FAST is the largest radio telescope all over the world so far Noisy towns are around the telescope within a 5-kilometer radius The second-largest radio telescope is made up of 4,450 panels How long did it take to finish the FAST project?,A. About twenty years.,B. About ten years.C. About six years. D,Dust stor
