1、双基限时练(十一)Unit 4Part .用所给动词的适当形式填空1 Can I use your telephone? Sorry, the telephone _ (use) now.答案is being used2 I dont suppose the teacher knows who broke the vase. Well, surprisingly she does. Tom has been called and _ (question) now.答案is being questioned3Kevin is always _ (praise) by the teacher in
2、 class.答案being praised4We cant use our classroom, for it _ (paint) now.答案is being painted5Your experiment report _ (type) now and it _ (finish) soon.答案is being typed; will be finished6No decision _ (make) about any future appointment until all the candidates have been interviewed.答案will be made7Litt
3、le Tony _ (take care of) by his aunt because his parents are both busy with their work.答案is being taken care of.语法填空We are sad to know that nowadays great damage _1_(do) to animals by human beings. Many animals are endangered just because their habitats _2_(threaten). Rainforests _3_(cut) at such a
4、speed that they will disappear from the earth in the near future. Rivers and lakes _4_(pollute) by factories. Another reason why many species are dying out is that they _5_(kill) either for food or for clothing. What if we continued to do whatever we like?Thankfully, there is an organization called
5、WWF, which is very concerned about this problem. With its help, wildlife parks _6_(set) up to protect endangered animals. For example, the African elephant now _7_(protect) in a wildlife park by WWF and their numbers _8_(increase) quickly.Personally, I think it is everyones responsibility _9_(protec
6、t) animals. Do remember：to protect animals is _10_(protect) ourselves!答案1.is being done2.are being threatened3are being cut4.are being polluted5.are being killed6.have been set7.is being protected8.are increasing9.to protect10.to protect.阅读理解AStudies show that dogs and human beings have similar brai
7、n activity when they sleep. Researchers use a test called an electroencephalogram (脑电图) to study such activity.When dogs first go to sleep, they enter a period of light sleep. This is when they can be easily awakened. In light sleep, dogs lie still and their breathing is normal.When dogs enter deep
8、sleep, they have difficulty waking up. Brain wave activity greatly increases. Dogs begin unusual breathing. Rapid eye movement also begins. During rapid eye movement, the eyes are moving quickly, forward and backward. Then dogs may begin to make sounds. Their bodies may make uncontrolled movements.
9、Their legs move as if they are running. It may seem as if the dog is having a bad dream. It is best not to wake a sleeping dog. Like people, dogs need continuous sleep for healthy mental activity.Researchers say dogs have several dreams each night. The amount of time spent sleeping is different with
10、 each animal. Most dogs sleep thirteen to fourteen hours a day.Researchers also say small dogs dream more than large ones. The number of dreams each animal has is also linked to many things, including age. Young dogs dream more than adult dogs.Many people wonder what their dogs are dreaming about. R
11、esearchers believe it is likely that dogs dream in a way similar to humans. They believe dogs dream of things that are pleasing to them, but unreal. They also say dogs dream of things that happen in everyday life, such as chasing things, playing and eating.If you are wondering, cats dream, too.1When
12、 a dog is in light sleep, it may _.A. not breathe normallyB. lie stillC. make soundsD. move its eyes quickly答案与解析B细节理解题。根据第二段最后一句可知：狗在浅度睡眠时，躺着不动，呼吸正常，故选B。2When dogs enter deep sleep, _.A. they are easy to wake upB. their breathing becomes abnormalC. they begin to run when dreamingD. they are as quie
13、t as a mouse答案与解析B细节理解题。第三段中提到狗在熟睡时begin unusual breathing，B项中abnormal意为“不正常的；反常的”，正与文中意思相符。3Which of the following indicates a dog doesnt enter deep sleep?A. The eyes are moving rapidly.B. The dog lies calmly and makes no noise.C. The dog seems like it is having a bad dream and moves his body.D. Th
14、e dog is angry when you wake it up.答案与解析B推理判断题。结合第二、三段可知，狗在浅度睡眠时会静静地躺着。4Whats the best title of this passage?A. Dogs Sleep at NightB. Light Sleep and Deep SleepC. Dogs Dream as Human Beings DoD. Dogs Need Sleep to Be Healthy答案与解析C主旨大意题。文章第一句就点明大意，即狗和人类在睡眠过程中有同样的脑部活动。然后对其进行具体说明，故选C。5Which of the foll
15、owing statements is TRUE?A. In deep sleep, dogs breathing is normal.B. Its no harm to wake a sleeping dog.C. Dogs have several dreams each night.D. Young dogs dream no more than adult dogs.答案与解析C细节理解题。由第一段最后一句话排除A项；由第三段最后两句话排除B项；由第五段最后一句话排除D项；由第四段第一句可知C项正确。BWildlife faces threats (威胁) from habitat d
16、estruction, pollution, and other human actions. Although protecting wildlife may seem too hard at times, even small actions in your own neighborhood can help protect many different animals. Here are some tips on how to protect wildlife through small actions.1. Create wildlife friendly areas in your
17、backyard.When trying to make your garden more beautiful, you can choose plants that can provide food and shelter to native wildlife. This will also help cut down on pollution. And bird or bat houses to your yard or garden to attract and shelter these species.2. Avoid harming the natural ecosystem (生
18、态系统) in your area.Some plants from other places can kill or harm native plants that provide food and shelter for wildlife.3. Have a greener lifestyle.By using less water and fewer fuels, you will be helping to protect the wildlife around you. Take buses or the subway when you can, turn off electric
19、devices when youre not using them, take shorter showers, and keep your room temperature at or below 68 Fahrenheit degrees during the winter.4. Buy products that are wildlife friendly.Dont buy products that are made from endangered animals. Keep in mind that some endangered animals are killed by trap
20、s, catches or hunters who are after other wildlife within the same habitat.5. Donate money or time to organizations that protect wildlife and their habitats.You can give money to organizations or groups that protect wildlife species in your neighborhood.6We infer that the purpose of this passage is
21、to _.A. tell us why protecting wildlife is extremely important nowB. suggest that we protect wildlife through actionsC. explain why protecting wildlife is not as hard as people thinkD. give us some tips on how to protect wildlife through small actions答案与解析D推理判断题。根据第一段最后一句和下文的小标题可知D项正确。7Which of the
22、following threats to wildlife is NOT mentioned in the passage?A. Animal diseases. B. Loss of habitat.C. Pollution. D. Hunters.答案与解析A细节理解题。根据文中的第一段第一句可知B、C两项提到了；D项是在第四条中第三句提到的。综观全文，只有A项没提到。8What behaviour do you think the author can disagree with?A. Planting right trees in gardens.B. Buying an ivory
23、vase for a gift.C. Donating some money to WWF.D. Reading books about wildlife.答案与解析B细节理解题。比较选项，并结合常识可知B项是作者所不能同意的。9In which section of a newspaper would you most probably read this passage?A. Environment. B. Teaching.C. Business. D. Geography.答案与解析A推理判断题。本文主要讲了野生动物保护的一些建议。这些建议与环境有关系。故选A项。.短文改错As sum
24、mer vacation is come soon, my classmates are trying very hardly to get train tickets to go home. But I have made up my minds to spend the vacation far from home for first time in my life. My parents have agreed to visiting me, but I will have a different vacation. When they come here, I will show th
25、ey around my university and the city as well as. I have decided to buy them some nice gifts. It will be a big surprise for them. My parents had done a lot for me, and I think it is high time that I did something special to express their thanks.答案As summer vacation is soon, my classmates are trying v
26、ery to get train tickets to go home. But I have made up my to spend the vacation far from home for first time in my life. My parents have agreed to me, I will have a different vacation. When they come here, I will show around my university and the city as well . I have decided to buy them some nice gifts. It will be a big surprise for them. My parents done a lot for me, and I think it is high time that I did something special to express thanks.
