1、Unit 4 第三课时.语法填空1(2014安徽，35 改编)I get at least half an hour of exercise almost every day.Oh great! Keep_up.答案：it 考查情景对话。句意：我每天至少要锻炼半个小时。哦，好极了！坚持下去。keep it up 坚持下去。2Since the house price in the city may be _ high as we cant imagine, I suggest that we rent an apartment to live in first.答案：as 考查原级比较。句意：
2、这个城市的房价既然高到我们很难想像的那样，我建议我们先租套公寓住着。3Please keep your word now that you _(promise) to come.答案：have promised 句意：既然你答应了要来，你就要守约。now that 既然，引导原因状语从句，由句意可知用现在完成时。4After fighting with his illness many years, the patient pulled _ finally.答案：though 句意：经过很多年与疾病作斗争之后，这个病人最终康复了。pull out 抽出，取出；pull through 康复。5
3、Im thinking of the tomorrows test. Im afraid I cant pass this time.Cheer_！ Im sure youll make it.答案：up 考查短语用法。答句句意：振作起来！我相信你会成功的。cheer up 变得高兴，( 使) 振奋起来，用来鼓励对方。6As soon as the fire broke_， it spread quickly.答案：out 考查动词词组辨析。句意：火灾一发生就迅速蔓延开来。break out 指“(战争、火灾、疾病等的)突然发生 ”。7All the visitors were told to
4、 watch_ for those dangerous animals while visiting the zoo.答案：out 句意：在参观动物园时，所有游客都被告知当心那些危险的动物。watch out注意，当心，与介词 for 连用。8In order to block _ the sunshine, the students had many books piled high.答案：out 句意：为了挡住阳光，学生们让很多书高高地堆着。block up 塞住；block out 挡住( 光线)；break out(战争、火灾、疾病等的) 突然发生；break up 解散，分手。.完成
5、句子1在爆炸发生之后，警方封锁了那条路。The police _ after the explosion.2去年他的家乡发生了一场洪水。A big flood _ in his hometown last year.3既然你已犯了错，就应该受到惩罚。_， you should be punished.4司机在红灯前把车停下。The driver _ at the red light.5一听说他恢复了健康，他的队友高兴起来。His teammates _ as soon as they knew he had recovered from illness.6猫的睡眠时间是人的两倍。Cats sl
6、eep _ people.7一辆大卡车失去了控制，撞上了一辆汽车的尾部。A big truck was out of control and _ the back of a car.8在黑暗中，他们惊恐地注意到有奇怪的东西在空中飘浮着。In the darkness, they were frightened to notice something strange _.答案：1.blocked up the street 2.broke out 3.Now that you have made mistakes 4.pulled up 5.cheered up 6.twice as much
7、as 7.crashed into 8.floating in the sky.阅读理解(2014河北正定中学高一期末)Space is where our future istrips to the Moon, Mars and beyond. Most people would think that aside from comets(彗星) and stars, there is little else out there. But, since our space journey started we have left so much trash(垃圾) there that sci
8、entists are now concerned that if we dont clean it up, we may all be in great danger.The first piece of space junk was created in 1964, when the American satellite Vanguard I stopped operating and lost its connection with the ground center. However, since it kept orbiting around the Earth without an
9、y results, scientists became increasingly comfortable abandoning(抛弃) things that no longer served any useful purpose in space.It is said that there are now over 500,000 pieces of manmade trash orbiting the Earth at speeds of up to 17,500 miles per hour. The junk varies from tiny pieces of paint chip
10、ped off rockets to cameras, huge fuel tanks, and even odd items like the milliondollar tool kit that astronaut Heidemarie Stefanyshyn Piper lost during a spacewalk.The major problem with the space trash is that it may hit working satellites and damage traveling spaceship. Moreover, pieces of junk ma
11、y crash with each other and break into pieces which fall back to the Earth. To avoid this, scientists have invented several ways for clearing the sky. Ground stations have been built to monitor larger pieces of space trash to prevent them from crashing into working satellites or space shuttles. Futu
12、re plans include a cooperative effort among many nations to stop littering in space and to clean up the trash already there.文章大意：文章介绍了第一片人造太空垃圾是一个破碎的卫星，因为它没有造成任何问题，所以科学家最初并没有关心太空垃圾。随着太空垃圾越来越多，科学家意识到如果不及时清理太空垃圾，人类将面临危险。1What was the first piece of manmade space trash?AA camera. BA tool kit.CA fuel ta
13、nk. DA broken satellite.答案：D 细节理解题。根据第二段的句子： The first piece of space junk was created in 1964, when the American satellite Vanguard I stopped operating and lost its connection with the ground center.可知第一片人造太空垃圾是一个破碎的卫星，选 D。2Why were scientists NOT concerned about space trash in the beginning?AIt no
14、 longer served any useful purpose.BIt was millions of miles away from the Earth.CIt did not cause any problems.DIt was regarded as similar to comets and stars.答案：C 细节理解题。根据第二段的句子：However, since it kept orbiting around the Earth without any consequences, scientists became increasingly comfortable aba
15、ndoning things that no longer served any useful purpose in space.可知科学家最初没有关心太空垃圾，是因为它没有造成任何问题，故选 C。3Which of the following statements is true about space junk?AIt is huge, heavy machines.BIt never changes position.CIt floats slowly around the Earth.DIt may cause problems for space shuttles. 答案：D 细节理
16、解题。根据第四段的句子： The major problem with the space trash is that it may hit working satellites and damage traveling space ship. Moreover, pieces of junk may crash with each other and break into pieces which fall back to the Earth.可知太空垃圾会给太空飞船带来很多问题。D 项的表述正确，故选 D。4What has been done about the space trash
17、problem?AScientists have cleaned up most of the trash.BLarge pieces of space trash are being closely watched.CMany nations have worked together to stop polluting space.DGround stations are built to help store the trash properly in space.答案：B 细节理解题。根据第四段的句子： To avoid this, scientists have invented se
18、veral ways for clearing the sky. Ground stations have been built to monitor larger pieces of space trash to prevent them from crashing into working satellites or space shuttles.可知现阶段比较大的太空废物正在被紧密监测，故选 B。.完形填空How big is space? That is a question man has been asking since the beginning of time. When y
19、our grandparents were in school，it was _1_ that the universe was very _2_ perhaps only 5,000 light years _3_. 500 years ago people considered that the universe was only a little bit _4_ than the earth. In modern times with the _5_ of technology we are finally starting to _6_ the immense (无边的 ) size
20、of the universe，and it is much bigger than anyone _7_ have ever imagined.Scientists cannot stretch (伸展) a measuring tape from the earth to a nearby star, so _8_ do they know how far away they are? Scientists use something _9_ parallax (视差). Parallax means _10_ that they look at how much the stars mo
21、ve in the sky _11_ throughout the year as the earth circles the sun. This is not something _12_ to you. In fact if you stretch out your hand in front of you and _13_ your thumb, while _14_ one eye, and then the other, your thumb will _15_ to move back and forth. Stars do the _16_ thing，but our eyes
22、are too close to see the _17_. However, if we take a picture while on one side of the earths orbit，and then take another when we get to the _18_ side of the orbit，then we have a large enough _19_ that we can see the stars parallax，and _20_ how far away they really are.1A.measured BbetCthought Dprove
23、d答案：C 根据上下文知，这里表达的是在祖父母上学时人们以为宇宙有多大，不是客观事实，所以不能用 measured/proved，也不是打赌。2A. old B. bigC. mysterious D. small答案：D 从后面的 only 可以看出，在当时大家都认为宇宙只有 5000 光年那么大，即人们以为宇宙比较“小” 。3A. over B. acrossC. through D. outside答案：B across 此处意为“from one side to the other”。over 指“在的上方” ；through指“从中间穿过” ；outside 意为“在外面” 。4A.
24、 bigger B. smallerC. heavier D. nearer答案：A 这里讨论的话题是宇宙有多大，所以不是轻重远近的问题。500 年以前人们以为宇宙仅仅比地球大一点。5A. popularity B. powerC. energy D. strength答案：B the power of the technology 指科技的力量； popularity 意为“普及；流行” ；energy 意为 “能力；精力；活力；能源” ；strength 通常指 (具体的)力气、力量。6A. understand B. controlC. imagine D. feel答案：A 在科技的帮
25、助下人们开始理解宇宙到底有多大。understand 指“掌握；领会；理解” ；control 意为“控制” ；imagine 意为“想象” ；feel 意为“感觉” 。7A. would B. shouldC. could D. might答案：C 宇宙比人们以前所想象的要大得多。8A. what B. whyC. how D. when答案：C 下文讲了科学家测量天体之间距离的方法，所以用 how。9A. honored B. calledC. considered D. believed答案：B 科学家用了一种叫做 “视差”的方法，所以用 called。10A. actually B.
26、exactlyC. generally D. simply答案：D 视差就是由决定新视线的观察位置的变化引起的物体方向的明显变化。simply意为“仅仅；简单” ；actually 意为“实际上” ；事实上；exactly 意为“确切地” ；generally 意为“一般；通常” 。故 simply 符合语境。11A. in and out B. back and forthC. sooner or later D. up and down答案：B 根据 10 题后可知选 B。back and forth 意为“来回移动” ；in and out 意为“进进出出” ；sooner or lat
27、er 意为“迟早” ；up and down 意为 “上上下下” 。12A. unacceptable B. unfamiliarC. unbelievable D. unnatural答案：B 根据下文所举的例子 ，人们对这一现象并不陌生。unacceptable 意为“无法接受的；不受欢迎的” ；unfamiliar 意为“不熟悉的” ；unbelievable 意为“难以置信的” ；unnatural 意为“不自然的” 。13A. look at B. shakeC. glare at D. notice答案：A 把手伸到前面并看你的大拇指。 shake 意为“摇动” ；glare at
28、 意为“怒视” ；notice 意为 “注意到” 。根据句意，这里仅仅是普通的“看” 。14A. covering B. openingC. controlling D. hiding答案：A 这里指先遮住一只眼睛，会看见拇指在一个位置；然后换另一只，拇指又处于另一位置。cover 有“遮住，覆盖”的意思。15A. continue B. happenC. stop D. appear答案：D continue to move 指继续移动；happen to move 指碰巧在移动；stop to move 指停下来然后移动。这里指人的一种感觉，大拇指会显得来回移动。16A. common B
29、. differentC. strange D. same答案：D 举例就是为了说明视差是如何产生的，所以这里归到主题，说明可以采用同一种方式去测量。17A. result B. effectC. difference D. similarity答案：C 眼睛之间的距离太近，被观察的物体太远，就很难发现差别。result 意为“结果” ；effect 意为“效果；影响” ；similarity 意为“相似性” 。18A. suitable B. sameC. opposite D. correct答案：C 在与轨道相反的一侧拍照。19A. distance B. lengthC. height
30、 D. width答案：A 有足够的距离观察天体的视差。20.A. realize B. determineC. recognize D. design答案：B 测定天体之间到底有多远。 realize 意为“意识到；实现” ；determine 意为“决定；决心；测定” ；recognize 意为“辨认出；承认” ；design 意为“计划，筹划” 。.短文改错Attention please, everyone. We have accepted the weather forecast on the radio this morning that there will have a he
31、avy rain tonight. Be sure shut the windows and doors until you leave your classrooms. The sports meet that we planned to hold on tomorrow will be put off. After it becomes fine, well make other announcement. We will have classes on Wednesday as usually. Since it is colder tomorrow, please dress on m
32、ore clothes in time. Those who comes to school by bike, dont keep your umbrella open while riding.答案：Attention please, everyone. We have the weather forecast on the radio this morning acceptedreceivedthat there will a heavy rain tonight. Be sure shut the windows and doors you havebe to until before/
33、whenleave your classrooms. The sports meet that we planned to hold on tomorrow will be put off. After it becomes fine, well make announcement. We will have classes on Wednesday as . otheranother usually usualSince it is colder tomorrow， please on more clothes in time. Those who to school by dressput comes comebike, dont keep your open while riding.umbrellaumbrellas
