1、课时作业( 二)基础题 单词拼写1This restaurant was not giving its _ (顾客) energygiving food.答案：customers2Japan is short of _ (未加工的) materials such as cotton and wool, and has to import a lot from other countries.答案：raw3He is consciously trying to overcome his _ (缺点)答案：weakness4You will get a _ (折扣) of 10 percent i
2、f you show your student card.答案：discount5The little boy would like to eat _ (油炸的) chicken.答案：fried6In order to stay s_， she eats very little every day.答案：slim7The doctor suggests that people who have a high blood pressure have a d_ low in salt.答案：diet8We caught a rabbit and b_ it over an open fire.答
3、案：barbecued9Try to achieve a better b_ between work and play.答案：balance10His s _ as a newsreader lies in his training as a journalist.答案：strength 选词填空1My mother bought a new skirt for me _ yesterday.答案：at a discount2Sir, you _ be sitting in this waiting room. It is for women and children only.答案：oug
4、htnt to3In order to _ his fathers support, the young man gave up smoking and worked hard.答案：win back4Youre too fat, and youd better _.答案：lose weight5She is still _ to keep slim.答案：on a diet6The reporter asked Yang Mi some personal affairs _.答案：out of curiosity7Dont _ when you stand on the beam (平衡木)
5、答案：lose your balance8What makes Tom unpopular with his fellows?_.答案：Telling a lie9Though Jenny is the best student academically, she shouldnt _ telling a lie.答案：get away with10She made me so angry that I wouldnt go to her party _ invited to. 答案：even though 单句语法填空1Time is precious. I cant have my son
6、 _ (waste) time in this way.答案：wasting2The doctor will be free _ ten minutes.答案：in3The robber wanted to get away _ money, only to be caught.答案：with4We prepared the room _ the party.答案：for5The wine is made _ grapes.答案：from6Every day people throw _ lots of rubbish.答案：away7The beauty of the city is mor
7、e _ words can describe.答案：than8He is doing research _ American literature.答案：on9Im tired _ having the same kind of food every day.答案：of10It will be an easy thing for you to win _ your kingdom in this game.答案：back 单句改错1Im going on diet next week and hope to lose some weight before Christmas._答案：diet
8、前加 a2The new regulations will be of great beneficial to everyone._答案：beneficialbenefit3If you place an order now, we will give you 5% discount._答案：5% 前加 a4Dont lie to me. Ill know if you are laying._答案：layinglying5If you cheat in the exam youll never get away it._答案：it 前加 with能力题阅读理解ASYDNEY: Austral
9、ian scientists have found how to switch hunger on and off using a molecule (分子) that targets the braina discovery which could stop weight loss in sick patients or produce weight loss in the obese .W1The molecule, known as MIC1, is produced by common cancers and targets receptors (受体 ) in the brain t
10、hat switch off appetite. But Australian researchers found that by using antibodies against MIC1 they were able to switch appetite back on. W2When normal and obese mice were treated with MIC1, they ate less and lost a lot of weight, suggesting that MIC1 may also be used to treat severe obesity, the S
11、ydney researchers said in a statement yesterday.“This work has given us a better understanding of the part of the brain that regulates appetite， ” said Herbert Herzog, director of neuroscience research at the Garvan Institute in Sydney. “Our bodies send complex chemical signals to our brains, which
12、interpret them and send back orders: in this case, eat or dont eat. W3Our research indicated that MIC1 is a previously unrecognized molecule sending a donteat signal to the brain， ” Herzog said.The researchers said it was hoped that in the near future, the MIC1 findings will prevent many advanced ca
13、ncer patients from “wasting away (消瘦)” Sam Breit, who originally cloned the MIC1 gene, said he believed the findings could have a significant impact on a range of appetiterelated disorders. “Injecting Pmice with MIC1 protein also made them stop eating, suggesting that it may be possible to use this
14、to advantage for treating patients with severe obesity， ” he said.The MIC1 findings were published in the latest Nature Medicine magazine and the team of researchers led by St Vincents Hospital in Sydney hope to develop a human antibody and run clinical trials in the next few years.1According to the
15、 text, MIC1 _.Ais produced by cancers of some special typeB can target receptors in the brain that switch on and off appetiteC proves effective on mice in making them healthierDis a molecule that sends a donteat signal to the brain答案：D 细节理解题。由文章第三段最后一句可知 D 正确。第二段第一句可知 MIC1是由普通的癌所产生的，选项 A 错在 special
16、type，应为 common cancers；由第二段可知， MIC1的目标受体是大脑内 switch off appetite 的受体，因此 B 错误。由倒数第二段中的“Injecting mice with MIC1 protein also made them stop eating”可知 C 错误。2We can learn from the text that _.Athe researchers now understand better the part of the brain controlling appetiteBthe MIC1 findings have alread
17、y been put into clinical useCMIC1 will surely be used to cure patients of serious obesityDthe researchers originally cloned the MIC1 gene to treat cancer答案：A 细节理解题。由文章第三段第一句可知 A 正确，即这项发现使得科学家们对于大脑中控制食欲的部分有了更好的了解。3What cannot we conclude from the passage?AThe researchers hoped the findings would be a
18、pplied to treating human diseases soon. B The researchers hoped the findings would be used to cure cancer patients.C Sam Breit believed the findings could be useful in treating appetiterelated disorders.DClinical trials havent been run yet.答案：B 推理判断题。根据文章可知 MIC1可以调节极度消瘦或肥胖的人的食欲，因而控制他们的体重，并没有谈到它对癌症的治
19、疗作用。4What can be the best title for the text?AA discovery to cure cancerB Researchers find hunger switch to control appetite C MIC1, a molecule to control appetiteDAustralian scientists find a way to clone MIC1答案：B 标题判断题。文中多次出现的关键词是 findings (发现)，而文章主要讲的也是关于 MIC1的发现，以及它可能带来的控制人们食欲的好处。同时结合文章主旨段落第一段可知
20、 B 为最佳标题。W重 点 单 词1obese adj. 肥胖的 2.antibody n. 抗体3interpret v . 解释；翻译P重 点 短 语have an impact on 对有影响BAlmost every day, we discuss the topic of health, especially for kids. But what is health? “Health” means eating well, getting enough exercise, and having a healthy weight. Lets read the following rul
21、es. They can help you stay healthy.Eat a_variety_of foods, especially fruit and vegetables. We all know that eating fruit and vegetables can help us stay healthy, but many of us only eat our favorite foods. Remember that we can only get the nutrition we need by eating different W1kinds of food, espe
22、cially fruit and vegetables.Drink water and milk most often. Everyone knows that water is important. Besides that, kids need plenty of calcium (钙) to grow strong bones, and milk has a Plot of it. Every day, you should drink at least three cups of milk (1300 milligrams of calcium), when you are 9 yea
23、rs old or older. You should also try to have less sugary drinks, like soda and coca. They include a lot of sugar. Sugar just includes calories, not important nutrition.Listen to your body. When you are eating, notice how your body feels. When your stomach feels comfortably full, stop eating. Eating
24、too much makes you feel uncomfortable. If you do it too often, it can make you unhealthy and fat.Limit screen time. Whats screen time? Its the amount of time you spend W2watching TV, movies, and playing computer games. The more time you spend on these sittingdown activities, the less time you spend
25、playing sports, like basketball, and doing other activities like bike riding and swimming. Try to spend no more than 2 hours a day using screens.5The underlined phrase “a variety of” means “_”Aplenty of Ba lot ofCthe rest of Dall kinds of答案：D 词义猜测题。第二段第一句“Eat a variety of foods, especially fruit and
26、 vegetables.”是该段的中心句。由全段内容及最后一句再次印证和呼应中心句可知，应该是食用各种各样的食物。文中的关键信息“different kinds of”与 all kinds of “各种各样的”意义最接近。故选 D。6As kids, we should drink at least _ to grow strong bones.Athree cups of milk Bfour cups of milkCtwo cups of milk Done cup of milk答案：A 细节理解题。由第三段第四句“Every day, you should drink at lea
27、st three cups of milk (1300 milligrams of calcium), when you are 9 years old or older.”可知答案为 A。7Whats the main idea of the passage?AHow to eat healthily.BEating and playing are both important.CAdvice for staying healthy.DHealth is very important.答案：C 主旨大意题。这篇文章对于人们如何保持健康提供了四个建议。所以本文的主题思想是关于保持健康的建议。A、 B、D 三项太片面了。故选C。W重 点 单 词1nutrition n. 营养 2.limit v. 限制P重 点 短 语plenty of 充足的