1、Unit 4 第二课时.语法填空1_ the universe began with the “big bang” has been widely accepted.答案：That句意：宇宙开始于“大爆炸”已被广泛接受。从句中意义完整，只需要引导词。2It has been proved _ having a balanced diet helps to keep healthy.答案：that句意：据证明拥有一个均衡的饮食有助于保持健康。it为形式主语，后面从句为真正的主语，且从句意义完整。3(2015北京，35改编)_we understand things has a lot to do
2、 with what we feel.答案：How句意：我们理解事情的方式与我们的感受有很大关系。由句意可知，填how，意为“如何，怎样。”4_ is a fact that English is being accepted as an international language.答案：It句意：英语正被接受成为国际性语言是一个事实。此处用it作形式主语，that从句为真正的主语。5_ made the parents proud was _ their son had been admitted to a key university.答案：What; that第一个空用what引导主语
3、从句，what在该从句中充当主语；was后为表语从句，该从句中不缺少任何成分，故用that引导，且不可省略。6It worried him a bit _ his memory was becoming worse.答案：thatit为形式主语，真正的主语从句中不缺少任何成分，故用that引导主语从句，且不可省略。7_ their flight will arrive on time is _ they are concerned about.答案：Whether; what根据语境，主语从句应用whether引导，表示未定的事；what引导表语从句，在从句中作are concerned ab
4、out的宾语。8_ makes the book so extraordinary is the creative imagination of the writer.答案：What主语从句缺少主语要用what引导。9When and why he came here _not known yet.答案：is句意：他什么时候以及为什么来这儿还不知道。when and why引导的从句作主语，谓语动词用单数，且不被知道。10He left home several days ago. _he has gone worries many people and is to be found out.
5、答案：where考查从句的连接词。这是一个主语从句，由句意可知，填where。11Steve Jobs has gone but _ he has left behind is truly extraordinary.答案：what分析句子结构可知，“_he has left behind”是主语从句，且关系代词在从句中作宾语，故选what。12(2014天津，14改编)I think _ impress me about his painting is the colours he uses.答案：what考查名词性从句。句意：我认为关于他的绘画让我印象深刻的是他使用的颜色。impresse
6、s缺少主语，故用what引导名词性从句。13_ is known to all is _ we won 38 gold medals in 2012 London Olympic Games.答案：What; that句意：众所周知，2012年伦敦奥运会上我们赢得了38枚金牌。_is known to all是主语从句，从句中缺少主语，意为“所的”，应由what引导；第二个is后的部分是表语从句，且从句表陈述意义，应由that引导，且不可省略。14._ seems to be no possibility _ Li Hua can win the first prize in the 100m
7、eter race.答案：There; thatThere seems to be是固定表达；第二个空填that，引导同位语从句补充说明possibility的具体内容。15Why and how he came here _not known yet.答案：is句意：他为什么及如何来这儿还不知道。Why and how引导的从句主语，谓语动词用单数。.阅读理解The earth is the only planet that scientists think has life. Why does the earth have life while the other planets dont
8、? For one thing, the earth is just the right temperature. As the_third_planet from the sun，the earth seems to be just the right distance away. The planets which are closer to the sun are so hot that their surfaces bake(烘烤)in the sun. The farthest planets are cold balls.When the earth developedwhich
9、scientists believe may have happened about 4 billion years agomany gases covered the earth. The gases caused the earth to be hot. But something wonderful happened. The temperature was just right for thick clouds to form. It rained very hard for a very long time. This gave the earth its oceans. Water
10、 made it possible for plants to grow. The plants created oxygen in the atmosphere. Oxygen is the gas that humans and animals breathe.Only one other planet in the solar system seems to be something like the earth. That planet is Mars (火星). Mars is smaller than the earth，and it is quite a bit cooler.
11、But it is not too cold for humans. On some days, the temperatures are as low as a winter day in the northern United States. If you wore a special spacesuit, you could walk around on Mars. You would have to bring your own air to breathe，because the air on Mars is too thin to breathe.Mars has the larg
12、est volcano(火山)in the solar system. It is sixteen miles high. The highest volcano on the earth is five miles high. The most unexpected(未预料到的)sight on Mars is driedup river beds. Scientists believe that Mars was once much better than it is now. Does this mean there could have been living things on Ma
13、rs? Scientists are not sure, but there has been no sign so far.文章大意：文章介绍了地球存在生命的原因以及火星的情况。1Which of the following is NOT the reason that the earth has life?AThe earth is just the right temperature.BThe volcanos on the earth are lower than those on Mars.CThere is oxygen in the atmosphere of the earth
14、.DThe earth seems to be just the right distance away from the sun.答案：B细节理解题。文中提到地球是可证实的唯一有生命存在的太阳系行星，其原因包括地球温度合适、距太阳距离适中和大气里含有氧气等。B项火山与此无关。2The underlined phrase“the third planet”in the first paragraph refers to_.Athe SunBthe MoonCthe EarthDthe Mars答案：C词义猜测题。根据第一段中内容可知距离太阳第三远的行星指的是地球。3Which of the f
15、ollowing about the Mars is NOT true?AThere could have been living things on Mars.BMars has the largest volcano in the solar system.CThere is almost no oxygen in the air on Mars.DMars is smaller than the earth，and it is quite a bit cooler.答案：A细节理解题。文章最后一段提到火星上有干涸的河床的迹象，但这一点并不能证实火星上存在生命，因为还没有生命迹象，故A项不
16、正确。其他三项都与文章相符。4Which of the following is probably the best title for the passage?AThe EarthBThe MoonCPlanets in the Solar SystemDMars is Most Like the Earth答案：D主旨大意题。文章先说明地球上存在生命的原因又对比了火星和地球，说明火星是与地球最相似的行星。D项做标题最为恰当。.七选五根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Watching a sporting event with family a
17、nd friends under the sun is a great experience in summer. _1_ In the United States, heat exposure led to 8,000 deaths between 1979 and 2003. Luckily, a little prevention can go a long way towards making sure of an enjoyable day.Know the dangerHeatrelated illnesses do not require recordbreaking tempe
18、ratures to occur. _2_ The bodys temperature can reach 106 or 107 degrees Fahrenheit on a 90degree day, creating a potentially deadly situation. Factors such as age, weight or a medical condition can influence people.Drink plenty of water_3_ Sweating is your bodys key way to keep cool, so drink water
19、 to stay well hydrated(含水的) before you feel thirsty. A cool beer may sound perfect on a hot day, but drink responsibly. Alcohol stops the bodys cooling system and causes you to go to the bathroom frequently. _4_Wear lightcolored and loosely fitting clothing, so air can go around your body and help k
20、eep you cool. A hat is a must to help you keep cool, since your head contains many blood vessels(血管), and sun block(防晒乳) is always a good idea.Take actionWhat should you do if you are suffering from the heat while watching your favorite event?Get up and go. It is a simple piece of advice, but could
21、make the difference between a quick recovery and something more severe that requires medical attention. The ideal thing is to move yourself from the position youre in to an area that is a little cooler. _5_AWeatherrelated causesBDress for the occasion CIn hot weather, it is essential to stay hydrate
22、d.DYou may miss a little of the action, but it beats missing a lot.EIt is also important to take advantage of services the equipment provides. FBut when you add sun exposure to the crowds, the results can be deadly. GTemperatures between 80 and 90 degrees Fahrenheit can be dangerous.1_2._3._4._5_文章大
23、意：和家人朋友在夏天烈日下看比赛有时是致命的，本文给出了一些建议。遵循这些建议，你就能安全。答案：1F由空后的例子“1979至2003年间，在美国，因在烈日下而死亡的人数达到了8000人”可知，选F项。2G由空后“在华氏90度的时候，我们人体的体温能达到106或107度”可知，选G项。3C由标题“Drink plenty of water”可知，选C项。4B该空是下一段的中心句。下一段讲的是在烈日下的衣着，所以选B项。5E该段讲的是中暑后的正确做法。所以选E项。.语法填空阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。(2015菏泽市高一下学期期中)This tradi
24、tion was started by mom several years ago. My mom, my brother, my sister and I all went to the cancer treatment center with some flowers. Each patient, doctor，and nurse received _1_ flower from us. “why do you send us flowers？” they would asked and our answer was that “its just because youre special
25、.”_2_ this went on, we often sent even more of flowers. One day, I accidently found a boy was making _3_ (beauty) cards in the street, with the words “just Because Youre Special” on them. Out of curiosity, I _4_ (chat) with the boy and this reminded me to make some cards to send together _5_ some fl
26、owers.Today, after our mom passed away from cancer, _6_ still take flowers to the patients，doctors and nurses with our own “Just Because You re Special”card _7_ (tie) to them. Even though the cancer treatment has moved to different location, we still pass this on. One patient told us _8_ (excited) t
27、hat it was the first rose that he _9_(receive)over ten years and the rose made his life _10_ (energy)during his stay in hospital . We plan to continue to do this and I will encourage more people to do this. Giving a flower to a others might make their day special.1_ 2._ 3._ 4._ 5._ 6_ 7._ 8._ 9._ 10
28、._文章大意：本文记叙了作者给癌症治疗中心给人送花的故事。答案：1a考查冠词。每人收到我们送的一朵花。2As考查连词。随着这一切的发生，我们送的花越来越多。as“随着”符合句意。3beautiful考查词形转换。此处用形容词修饰名词cards。意为“漂亮的贺卡”。4chatted考查时态。全文是一般过去时。5with考查介词。together with和一同；连同； 偕。6we考查代词。分析句子，此处缺少主语，意思是“我们”，所以填主格形式的we。7tied考查非谓语动词。card是被绑在花上，所以用过去分词形式。8excitedly考查词形转换。此处修饰的是动词told，所以用副词。9had received考查时态。“it was the first that”从句是固定搭配，从句用过去完成时。10energetic考查词形转换。此处是“make宾语宾语补足语”结构。