1、Unit 4 Section Learning about Language & Using Language课时作业.单句语法填空1With our work done, we felt much at ease.2He looked at her up and down and decided to ask her out.3This sofa can also function as a bed.4Dont turn a deaf ear to your parents advice.5They showed great courage in the face of difficulty
2、.6There is nothing left insideno words, no anger (angry), no tears.7We should persuade the kids to keep away from violent computer games.8Jane looks away from me, as if I were a stranger.9We should take action to protect the cultural relics before it is too late.10Watch out for the dog in case it sh
3、ould bite you.单句改错1Johns careless work made him lose the face with his employer.去掉the2Her mother has a gift of putting us in ease.inat3More than 50% of the students in China are shortsighted, ranked the first in the world.rankedranking4She turned her back from him when he explained the reason for hi
4、s absence at the party.fromto5How about do a survey on tourists impressions?dodoing.阅读理解AIn England recently three foreign gentlemen came to a bus stop and waited. About five minutes later, the bus they wanted came along. They were just going to get on when suddenly there was a loud noise behind the
5、m. People rushed onto the bus and tried to push them out of the way. Someone shouted at them. The bus conductor came rushing down the stairs to see what all the trouble was about. The three foreigners seemed all at sea and looked embarrassed. No one had told them about the British custom of lining u
6、p for a bus that the first person who arrives at the bus stop is the first person to get on the bus.Learning the language of a country isnt enough. If you want to have a pleasant visit, find out as much as possible about the manners and customs of your host country. You will probably be surprised ju
7、st how different they can be from your own. A visitor to India would do well to remember that people there consider it impolite to use the left hand for passing food at table. The left hand is supposed to be used for washing yourself. Also in India, you might see a man shaking his head at another to
8、 show that he doesnt agree. But in many parts of India a shake of the head means agreement. Nodding your head when you are given a drink in Bulgaria will most probably leave you thirsty.【解题导语】文章以一个小故事作为开头，向我们介绍了英国人的乘车习惯，并进一步向我们介绍了不同国家肢体语言的内涵。1The British people tried to push the three gentlemen out
9、of the way, because the gentlemen .Awere foreignersBdidnt have ticketsCmade a loud noise Ddidnt line up for the bus解析：选D细节理解题。由第一段的“No one had told them about the British custom of lining up for a bus that . on the bus.”可知，英国人因为这三位外国人没有排队而将他们推到一边。2According to the article, if you want to have a plea
10、sant journey in a foreign country, you should .Alearn the language of the countryBunderstand the manners and customs of the countryChave enough time and moneyDmake friends with the people there解析：选B细节理解题。由第二段第二句话“If you want to have a pleasant . your host country.”可知，当我们到国外旅行时，应该对目标国的风俗有所了解。3What do
11、es the underlined phrase “at sea” probably mean?ATired. BDisappointed.CPleased. DConfused.解析：选D词义猜测题。根据画线短语后的一句话可知，这三位外国人对英国的风俗并不知情，由此可知，当他们面对英国人当时的反应时会感到迷惑。4In India it is considered impolite to .Ause the right hand for passing food at tableBpass food with the left handCeat food with your handsDhel
12、p yourself at table解析：选B细节理解题。由第二段的“A visitor to India would do well . left hand for passing food at table.”可知，在印度用左手递食物被认为是不礼貌的。BAside from training, nutrition has the most important influence on sports performance. In order for one to reach his or her highest potential, all of the bodys systems mu
13、st be working perfectly. Calories, carbohydrate, protein, fat, vitamins, minerals and so on all play a unique and crucial role.To have enough energy for exercise, an adequate number of calories must be consumed. The amount of calories needed depends on many different factors, such as age, sex, heigh
14、t, weight, muscle mass and fat mass. It is important to nourish the body after several hours with no food (such as during sleep), so breakfast is an important part of adequate calorie intake. Choosing highnutrient foods gives the body the right fuel to start the day.Carbohydrate is the bodys main en
15、ergy source for all types of exercise. Carbohydrate is stored as glycogen (糖原) in the body, and the amount of glycogen stored in the body affects stamina (耐力) and endurance. Foods high in carbohydrate include pasta, rice, cereals, starchy vegetables (e.g. potatoes, carrots, corn and sweet potatoes),
16、 fruit, and bread.Protein is essential to build and repair muscle tissue.Protein allows muscles to contract, gain in size and increase in strength. Loading up on protein does not guarantee larger muscles. Muscle growth comes from hard work, proper training, and balanced nutrition. Food sources of pr
17、otein include lean meat and poultry, legumes (dried beans and peas), nuts, seeds, and dairy products.Fat provides energy, protects the bodys organs and helps with the absorption of some vitamins. When fat is eaten as part of healthful foods, it provides an important energy source for athletes in tra
18、ining. Good choices include the fat from nuts, seeds, and vegetable oil.All vitamins and minerals are important. Two that deserve special attention from athletes are iron and calcium.Iron is important to carry oxygen in blood, and it plays a key role in sports performance. The best sources of iron a
19、re lean red meat, shrimp, ironfortified cereals and bread products.Calcium keeps bones strong. Foods from the dairy group, including milk，yogurt and cheese are excellent sources of calcium.There are also many calciumfortified juices and foods that can help boost calcium intake.In addition, weightbea
20、ring exercise increases bone density.【解题导语】本文主要向读者介绍了运动与营养的关系。5The underlined word “nourish” in Paragraph 2 can be replaced by “ ”AstrengthenBstarveCsupply foods for Dexercise解析：选C词义猜测题。根据画线词后面的“after several hours with no food”可知，“nourish”含义与“supply foods for”相近，此处表示“给(身体)提供食物”。6Which of the follow
21、ing foods can best help to keep ones bones strong?AShrimp. BVegetable oil.CFish. DYogurt.解析：选D细节理解题。根据文章最后一段中的“Calcium keeps bones strong.Foods from the dairy group，including milk，yogurt and cheese are excellent sources of calcium.”可知，应选D。7Which of the following descriptions is FALSE according to th
22、e passage?AOnes height is one of the factors which determine the amount of calories needed for exercise.BAs for breakfast, it is better to take foods rich in nutrients.CVegetables including potatoes, carrots, corn and sweet potatoes can increase ones endurance.DProtein can help build larger muscles.
23、解析：选D细节理解题。根据文章第四段中的“Loading up on protein does not guarantee larger muscles.”可知，蛋白质不能保证有大块肌肉，D项表述错误，故选D。8How is the passage mainly developed?ABy introducing a practical method.BBy comparing and analyzing various data.CBy listing typical examples.DBy presenting an idea and giving explanations.解析：选D推
24、理判断题。文章第一段提出了观点，接下来对此观点进行了分析和说明。故选D。.七选五Questions to Ask Before Getting Your Child a CellphoneAt what age should you get your child a cellphone? 1 However, before you decide to add your child to your family plan, ask yourself these questions. 2 If you and your child are not often apart beyond school
25、 hours, a cellphone may not be a serious necessity, but if he is independent or involved in extracurricular (课外的) activities outside your home, a cellphone could be useful, especially during emergencies as a convenient means of communication with you.Does your child understand the cost?Make sure you
26、r child understands the cost of having a cellphone. 3 Some options to help control costs include prepaid and postpaid phones, setting a monthly budget for your child.How can you keep your childs phone usage safe and under control?Before you get your child a phone, you should discuss what it can be u
27、sed for, rules he is expected to follow, and consequences if he fails to follow them. 4 5 If you prefer to take an extra step towards monitoring his phone use, these application programs allow you to track your childs mobile activity.AWho needs a cellphone?BHow can you determine whether or not to bu
28、y a cellphone for your child?CYou ask your child to make use of his cellphone for learning.DAlso be sure that he can be trusted to stay within his limits from month to month.EAlso, educate yourself on what social media apps are popular with teens.FAccording to Pew Research Center, the average age is
29、 between 12 and 13.GFor example, is the phone only to be used to call family, or can it be used socially?【解题导语】本文是一篇说明文。孩子要不要买手机？什么时候给孩子买手机合适？为什么需要手机？如何规划手机产生的费用？文章就这些问题给出了适当的解释。1解析：选F根据文章的大意和本段首句中的关键信息词“At what age”可知，回答的问题涉及孩子的年龄，故选项F符合语境。2解析：选B根据下一段中的两个if条件句，“如果你孩子不常离开你们”和“如果你孩子很独立或常参加课外活动”来确定该不该
30、买手机，由此可推断出该段的标题为“How can you determine whether or not to buy a cellphone for your child？”。3解析：选D由上一句提出的“the cost of having a cellphone”和后一句分析的几种选择的方式可知，此空该填入D项合适。此外，“Also be sure”与“Make sure”相呼应。4解析：选G由前一句中的关键信息“discuss what it can be used for, rules . and consequences if he fails to follow them”即可推断出，“For example, is the phone only to be used to call family, or can it be used socially？”符合语境。G项举例说明了孩子该如何使用手机。5解析：选E由空后一句中的关键信息“these application programs allow you to track your childs mobile activity”即可推断出E项符合语境。E项中的“social media apps”与下文中的“these application programs”相照应。