1、双基限时练(四)Unit 2Part .单句语法填空1The prisoner _ (struggle) against the guard, but couldnt escape.答案struggled2The soldiers were well _ (equip) with weapons (武器) and ready to start.答案equipped3Many great events _(take) place in the past.答案have took4Put on a hat to protect yourself from sun or youll get _ (su
2、nburn)答案sunburnt5The news of his death _ (circulate) all over the village.答案circulated6Some of the violent scenes in the film are very _ (disturb)答案disturbing7A balloon _ (expand) when you let air into it.答案will expand8Thanks _ the success of the business, we can afford a flat this year.答案to9The gov
3、ernment provided coats, quilts, carpets to the school to help rid the students _ cold.答案of10The rural pupils are _ (satisfy) with the textbooks which are free of charge for them.答案satisfied11Will you have a free evening tonight? _ so, lets have a dinner together.答案If12I dont think _ possible to mast
4、er a foreign language without much memory work.答案it.阅读理解ALet us consider what we can do for the food problem.The simple way to increase food production, one might suppose, is to bring more land into farmland and put more people to work on it.But it is proved in some developing countries that this wi
5、ll bring some problems. It will quickly make the soil poorer there and destroy forest growth. Further more, the people there will always find they need more people to work on this land to produce more food.During the past twenty years, some developing countries have increased a lot more farmland in
6、their countries, but their populations have in the meantime grown faster; therefore they are farther than before. And their food increase has been gained at the cost of using up the rich lands. Many of the lands have become poor lands and are producing less food now.Meanwhile, farming in the develop
7、ed countries has produced more food through improved technology. Since 1940, farmland has been reduced 7 percent in the United States but cereal (谷物) production has jumped 60 percent. The increase in the corn output, thanks to hybrid corn (杂交玉米), has been even greater.The secret is scientific ways,
8、of course. And compared to the developing countries, the populations in developed countries have increased just a little larger than twenty years ago.On the whole，world population today is increasing at the speed higher than ever before. Every year the population is two percent larger, so that the 6
9、,000,000，000 people on the earth today will present another 120,000,000 mouths to be fed by the time next year. It is a fearsome thought that this time tomorrow there will be added to this world population some 360,000 persons.What can we do about the increase of population，or the lack of food to fe
10、ed such a large, increasing population? That is a very important problem before everyone on the earth, young or old，men or women.1. In the authors opinion, _ seems to be the most serious problem today.A. pollutionB. lack of foodC. poor farmlandD. the increase of world population答案与解析D由最后一段“What can
11、we do about the increase of population .”，及倒数第二段人口增长的几个数据可知。2. To get enough food for the world population，_.A. we should develop farming science and technologyB. we should get more land into farmlandC. developed countries should produce more foodD. developing countries should stop making forests in
12、to farmland答案与解析A由第五段“Meanwhile，farming . through improved technology.”可知。3. From the agriculture history in US, we can conclude that _.A. the more population there is，the less food there isB. the richer a country is，the richer it will becomeC. science will be helpful in feeding the world population
13、D. developing countries cannot settle their food problem答案与解析C由倒数第四段“Since 1940 . has been . even greater.”及倒数第三段“The secret is scientific ways .”可知。4. The author seems to suggest that the food problem cannot be settled unless _.A. we stop getting more land into farmlandB. everyone realizes how seri
14、ous the problem isC. pollution is stoppedD. there is no more room for more people答案与解析B文章最后一句“That is a very important problem before everyone on the earth .”可知。BPolly Jones lived on a farm. She had lived there all her life，all twelve years of it. Her father, who managed the farm，had just lifted the
15、 potato crop. Prices were high; he wanted to sell the crop as quickly as he could.Polly wandered over the rough field looking for the small potatoes that the pickers had accidentally missed. She found one，then another，then a handful. She was pleased. They were delicious once cooked. Then she caught
16、sight of something else. It looked like a piece of colored stone. Polly picked it up and thought how pretty it was. She could see a pattern on it, a picture of a fish and a part of a leaf. She scraped the soil away around her feet and found that she was standing on what seemed to be a piece of pavem
17、ent. Stuck to another piece of stone was something small and round like a button. She realized it was an old coin.The field was busy the next morning though not with potato pickers. In front of the house where the farm machinery usually stood were several cars and a police van. A group of distinguis
18、hedlooking men and women had appeared the morning after her fathers telephone call. The local television station had shown some pictures of the field with Polly pointing to the place where she had found her pavement. It was proved to be of Roman origin and was being described as the most exciting th
19、ing that had happened in the area since the end of the Second World War. In those days an American airbase had occupied the site of the potato field.A week later about forty students arrived from the local university. That afternoon a truck with equipment arrived. The excavation (挖掘) was officially
20、under way. Permission had been given and the “dig”， as it was called, was expected to last several months. Polly wondered how the everyday work of the farm would get done with so many strange people around and cars coming and going all day long. All the unusual activities had made the cows and sheep
21、 restless. Her father said their cows produced less milk.Still, it was interesting and of great fun. They had let her keep the gold coin. From then on, Polly would always walk carefully over potato fields.5. There were still potatoes in the field because the pickers _.A. had left them for Polly on p
22、urposeB. thought they were too smallC. would pick them laterD. had failed to notice them答案与解析D由第二段第一句“. looking for the small potatoes that the pickers had accidentally missed.”可知。6. When Polly was looking for potatoes _ caught her attention first.A. a part of a leaf B. an old coinC. a piece of pave
23、ment D. a button答案与解析C由第二段“. and found that she was standing on what seemed to be a piece of pavement.”可知。7. Why did the findings cause great excitement?A. The coin was priceless.B. An ancient Roman site was discovered.C. Few old coins had been found since the War.D. Such old coins had been found in
24、 American airbases.答案与解析B由第三段“It was proved to be of Roman origin .”可知。8. How did the “dig” affect the life on the farm?A. It brought the farmers wealth overnight.B. It prevented Polly from attending class.C. It attracted more farmers to the potato fields.D. It reduced milk production.答案与解析D由第四段最后一句
25、“Her father said their cows produced less milk.”可知。.语法填空The “selfie” is used to describe the selftaken photo, often from a smartphone. Someone takes about 10 selfies each time he does, and he only ends up _1_(post) one or two of those. He picks the one that he feels make him look the _2_(good). In t
26、hat picture, he gains confidence. For that moment, everything bad or terrible that has happened to him _3_(remove), because that smile is what gives him the _4_(determine) to love himself.I read _5_ poem recently and the young man said，“If I ask you _6_ you love, the answers will most likely roll yo
27、ur tongue. You love to read. You love to write. You love your mom, your daughter, or your best friend. How long do you think you can go on and on before you say I love _7_(me)？”That statement hit me like a ton of bricks. Ive struggled with confidence all my life. I still do. And in _8_ way am I sayi
28、ng that taking a selfie is a key _9_ confidence. _10_， the selfie does deserve(值得) some credit(赞扬) for allowing people to express themselves.答案与解析1posting根据end up doing sth.“结果做某事”的用法可知该空填动名词作宾语。2best根据设空前的提示词the可知该空填最高级best。3is removed 设空处所填词在句中作谓语，且remove与主语为被动关系，故设空处填一般现在时的被动语态。 4determination设空前是定冠词the，故设空处应填名词determination。5a设空处填不定冠词a表泛指。6whatwhat“什么”，引导宾语从句，且在从句中作宾语。7myself该空填反身代词作宾语。8noin no way “决不”。9toa key to “的关键”。10However设空前后两句为转折关系，且设空后有逗号，故设空处填However。
