1、第 1页（共 10页）Unit4Space ExplorationSection C Discovering Useful一、完成句子1Have you _ (弄明白) why she didnt inviteyou to her birthday party?2Doctorsexaminetheirpatientsthoroughly_ (为了) make a correct diagnosis.3 We can not work all the time if we are going to_ (保持健康) and enjoy life.4.on12April1961,YuriGagari
2、nbecame_ (第一人) in the world _(进入太空)5 Inspace,astronautscollectalldirtywater_ (以便重新使用) it for later use.二、阅读理解Edmund Halley was an English scientist who lived over 200years ago. He studied the observations of comets (彗星) whichother scientists had made. The orbit (轨道) of one particularcomet was a very
3、 difficult mathematical problem. He could notfigure it out. Neither could other scientists who dealt withsuch problems.However, Halley had a friend named Isaac Newton, who was abrilliant mathematician. Newton thought he had already workedout that problem, but he could not find the papers on which he
4、第 2页（共 10页）had done it. He told Halley that the orbit of a comet had theshape of an ellipse (椭圆形)Then Halley set to work. He figured out the orbits of someof the comets that had been observed by scientists. He made asurprising discovery. The comets that had appeared in the years1531, 1607, and 1682
5、all had the same orbit. Yet theirappearance had been 74 to 79 years apart.This seemed very strange to Halley. Three different cometsfollowed the same orbit. The more Halley thought about it, themore he thought that there had not been three different cometsas people thought. He decided that they had
6、simply seen the samecomet three times. The comet had gone away and had come backagain.It was an astonishing idea! Halley felt certain though (然而) to make a prediction (预言) of what would happen in thefuture. He decided that this would appear in the year 1758.There were 53 years to go before Halleys p
7、rediction could betested. In 1758 the comet appeared in the sky. Halley did notsee it, for he had died some years before. Ever since then thatcomet has been called Halleys comet, in his honour.1Edmund Halley figured out the orbit of _.Asome different comets appearing several timesBthe same comet app
8、earing at different timesCthree different comets appearing at the same timeDseveral comets appearing at the same time第 3页（共 10页）2Halley made his discovery _.Aby doing experimentsBby means of his own careful observationCby using the work of other scientistsDby chance3 When did Halley make a surprisin
9、g, but correct prediction?AIn 1704.BIn 1705.CIn 1706.DIn 1707.4This passage in general is about _.AHalley and other scientistsBthe orbit of a cometCNewton and HalleyDHalley and his discovery三、阅读七选五PaintingPaintingThe art of creating pictures using colors, shapes and linesis called painting. Museums
10、and galleries show the paintingsof professional (专业的) artists. But painting is also apopular form of entertainment and creative expression._1_ Experienced painters usually use a brush to apply oilpaints to a canvas cloth surface. Young painters usually usewatercolors on pieces of paper. Very young c
11、hildren may usefinger paints to create paintings.Painters can use their art to express devotion to a religion,to tell a story, to express feelings and ideas, or simply to第 4页（共 10页）present a pleasing picture. Religious paintings often show agod or a scene from a sacred text (圣典). Other common subjec
12、tshave been famous legends and events in history, as well asscenes from daily life. Artists also paint portraits (画像),or pictures of people. _2_ All of these types of paintingsshow the human figure in some way.Some kinds of paintings do not focus on people. In landscape(风景) painting the focus is on
13、scenes from nature. Artists alsopaint still objects such as fruits and vegetables. _3_ Someartists communicate their ideas through pictures that do notrepresent any object._4_ Paintings dating back 15,000 years have been found onthe walls of caves in France and Spain. _5_ Samples of paintedpottery (
14、陶器) from at least 5,000 years ago have been foundin China and Iran. The ancient Egyptians decorated theirtemples with beautiful paintings. People in ancient Greecepainted decorative objects such as vases in addition to thewalls of temples.AThese works are called stilllife paintings.BThese works can
15、communicate a special feeling.CHumans have been making paintings for thousands of years.DPeople of all ages create pictures using a variety ofmaterials.ECave paintings generally show animals that early humanshunted.第 5页（共 10页）FThe design of a painting is the plan of its lines, shapesand colors.GSome
16、times artists make portraits of themselves, which arecalled selfportraits.四、语法填空China sent up its second space laboratory, the Tiangong 2,on Thursday night, which will become the countrys 1._(large) scientific platform in space. The lab will undergo (经历) preparations in space for about one month and
17、 will take twoastronauts to the lab to enter it. 2._ astronauts willstay inside the lab for 30 days. Strictly 3._ (speak),the Tiangong 2 is Chinas first space laboratory.Microgravity (微重力), strong radiation 4._ extremetemperatures in space can influence research on life science,physics and new techn
18、ologies, so Chinese scientists will makefull use 5._ the Tiangong 2 to do 6._ (experiment)that are not possible on Earth.TheTiangong2hasdevicestotestin orbitrepairtechnologiesforChinasfuturemannedspacestation,7._ (plan) to be built around 2022. Moreover, eachsystem on the space lab uses a special de
19、sign, which means theycan be 8._ (rapid)changed or repaired in case oftrouble. This is the first time that a Chinese spaceship9._ (use) the special design. The country is expected10._(have)theonlyspacestationafterthe第 6页（共 10页）International Space Station is retired in 2024.第 7页（共 10页）一、完成句子1figured
20、out2.in order to3.stay healthy4.the firstpersonto go into space5.so as to recycle二、阅读理解1B细节理解题。根据文章第四段中的“He decided that theyhad simply seen the same comet three times.”及上文提到的看到彗星的时间分别是 1531 年、1607 年和 1682 年可知，B 项正确。2C细节理解题。根据文章第一段中的“He studied theobservations of comets (彗星) which other scientists h
21、ad made.”以及第三段中的“He figured out the orbits.by scientists.”可知，哈雷的发现是在研究其他科学家们的观测结果时得出来的。故选 C 项。3B细节理解题。根据最后一段中的“He decided that thiswould appear in the year 1758. There were 53 years to go beforeHalleys prediction could be tested.”可知，哈雷预测彗星会在1758 年出现，而这需要过 53 年才能得到验证，即 1758531705。故选 B 项。4D主旨大意题。通读全文可
22、知，本文主要讲述了科学家哈雷以及他是如何发现哈雷彗星的。故选 D 项。三、阅读七选五1D设空处是本段的小标题。根据空后的“Experiencedpainters usually use a brush to apply oil paints to a canvascloth surface. Young painters usually use watercolors on piecesof paper. Very young children may use finger paints to createpaintings.”可知，本段主要讲了不同绘画水平的人使用不同的绘画第 8页（共 10
23、页）工具画画，D 项正是对下文内容的总结。故选 D 项。2G上文内容 “Religious paintings often show a god or a scenefrom a sacred text (圣典). Other common subjects have beenfamous legends and events in history, as well as scenes fromdaily life. Artists also paint portraits (画像), or picturesof people.”介绍了各种风格的绘画；下文内容“All of these typ
24、esof paintings show the human figure in some way.”中可抓住关键词“All of these types of paintings” ，由此可知，这里应该填一种绘画风格。故选 G 项(有时候艺术家画自己的肖像，这被称为自画像。)3 A在上句 “Artists also paint still objects such as fruitsand vegetables.”中捕捉到关键词“still objects (静止的事物)” ，与 A 选项中的 stilllife 相呼应。故选 A 项。4C下文内容“Paintings dating back
25、15,000 years have beenfound on the walls of caves in France and Spain.”提到“绘画可追溯到 15 000 年以前” ，所以上文会说“人类绘画已经有几千年的历史” 。故选 C 项。5.E在上文内容“Paintings dating back 15,000 years havebeen found on the walls of caves in France and Spain.”中捕捉到关键词 caves，并且这句话的意思是追溯到 15 000 年以前岩洞墙上的绘画，所以接下来会谈论洞穴绘画的内容。故选 E 项。四、语法填空
26、1largest考查形容词最高级。由语境可知，此处应该用形容词的最高级。2The考查冠词。此处的 astronauts 指的是前一句中的 two第 9页（共 10页）astronauts，因此应该用定冠词表特指。3speaking考查固定用法。strictly speaking“严格地说” 。类似的用法常见的还有 generally speaking (一般说来), honestlyspeaking (诚实地说)。4and考查连词。Microgravity, strong radiation 和 extremetemperatures 是并列关系，因此应该用连词 and。5of考查介词。mak
27、e full use of“充分利用” 。6experiments考查名词复数。根据空后定语从句的谓语 are可知，设空处应该用复数形式，that 引导的定语从句修饰experiments。7planned考查非谓语动词。plan 与 Chinas future mannedspace station 之间是被动关系，因此应该用过去分词形式。8rapidly考查副词。设空处修饰动词，因此应该用副词作状语。9has used考查时态。This is the first timethat 从句，从句应该用现在完成时。10to have考查非谓语动词。be expected to do sth.被预计做某事。第 10页（共 10页）
