考点练习
第 1 / 4 题
哈勃一开始为什么让人失望？
选择题精讲
7Multiple choice questions
1The Hubble failed to send us satisfactory pictures because _______.未做
a. the cost of sending satisfactory pictures was terrible
b. there was a problem with its main mirror
c. it was a long time since it was launched into space
d. it was high above the earth's atmosphere
显示答案与解析
答案：B
2The Hubble telescope ______.未做
a. will tell us a great deal about the universe
b. cost a lot but was almost worthless
c. will measure the size of the earth
d. requires constant care from the astronauts
显示答案与解析
答案：A
constant [5κΧνστΕντ] n.[数、物]常数, 恒量 adj.不变的, 持续的, 坚决的
5A robot-arm will hold the telescope ________the astronauts to repair it.未做
a. for b.so that
c. so long as d.which
显示答案与解析
答案：A
for sb to do sth基本结构
so that+句子
so long as+句子 : 表示只要
which + 句子
11The main mirror of the Hubble _______.未做
a. had problems
b. was distant
c. was the clearest d. requires repairs
显示答案与解析
had problems 有问题
reauires repairs需要修理
there was a problem with its main mirror.
what's the trouble with you?
problem with sth (习惯用法) 如: There was a problem with its main mirror.
1problem＝question未做
2problem＝trouble未做
12The Hubble is _______the earth's atmosphere.未做
a. below
b. over
c. within
d. outside
显示答案与解析
答案：D
above 在...之上(凌空)
above the earth’s atmosphere 在大气层的上方
补充精讲
4New words and expressions
- 生词和短语
- ★Hubble n 哈勃
- ★telescope n 望远镜
- ★launch v 发射
- ★space n 空间(指宇宙空间)
- room 空间, 不可数 (a room 为房间,可数)
- could you make room for me?你能为我腾一点空间吗?
- ★billion n 10亿
- ★faulty adj 有错误的
- ★astronaut n 宇航员
- ★shuttle n 航天飞机
- ★Endeavour n “奋进” 号
- ★robot－arm n 机器手
- robot [5ρΕυβΧτ, 5ρΧβΕτ] n.机器人, 遥控设备, 自动机械, 机械般工作的人
- ★grab v 抓
- ★atmosphere n 大气层
- atmosphere [5ΑτμΕσφιΕ] n.大气, 空气, 气氛, 氛围
- I went to the New Concept English of New Oriental school for its good atmosphere
- ★distant adj 遥远的
- ★galaxy n 星系
- ★universe n 宇宙
- ★eagle eye n 鹰眼,一种仪器
课文讲解
- Trouble with the Hubble科普性文章
- 科普性文章结构简单, 句式单一, 单词较难
- 学会逻辑阅读
- at a cost of 花费
- Hubble telescope看作一个整体, 在句中做主语
- was launched 动词谓语
- 单词縮写一般都是组织或者机构
- NASA [5νΑσΕ] National Aeronautics and Space Administration (美国)国家航空和宇宙航行局
- there was trouble with the Hubble
- trouble with 关于......有麻烦 what's the trouble with you? 你有什么麻烦? (医生常这样问)
- start开始
- 定语从句省略引导语
- 主句 : the pictures...were...
- -ing令人......的
- sorry, it's my fault
- faulty adj 有错误的
- be going to将要
- put sth right把某物放正确
- it 指代 NASA
- send up往上送
- The shuttle Endeavour 主语,可能是交通工具
- roblt-arm : 机器人手臂 arm手臂
- hold it抓住它
- repairs修理
- avove在......上面(悬空的)
- astronaut n 飞行员, 宇航员
- atmosphere
- distant galaxies
- stars星星
- a great deal大量 / a great deal of 大量的
- by the time到那时
- everytime每当
- by the time you read this 到你读这篇文章的时候
- will have done将来完成式
- thousands and thousands of成千上万的
- Hubble telescope 被人类送上天空的一种仪器
- Space 宇宙
- launch送进
- disappointing令人失望
- astronaut [5ΑστρΕνΧ:τ] n.太空人, 宇航员
- robot-arm 机器人手臂
- 阅读
- 1、客服害怕的心理
- 2、学会理解单词的含义
- 3、科普性文章的理解题在原文中寻找答案
Key structures
- 关键句型
- 1、将来完成时 will have done
- 2、将来进行时will be doing
- 3、将来完成进行时will have been doing
- 4、现在完成进行时have been doing
- 将来完成进行时: 从某一点发生, 一直延续到将来的某一点, 并且将可能延续下去
- it has been raining...
- we will have been learning book 2...
- 区别:1 一般将来时: 事情在将来发生
- 2 将来进行时: 等同于一般将来时
- 3 将来完成时: 强调到将来某一点时间动作的结束
- 4 将来完成进行时: 强调到将来某一点时间动作可能结束或延续
- 过去完成进行时had been doing
- 过去完成进行时 : 到过去某一点时间为止动作一直在延续
- his father had dead...
- his father had been waiting for his son until he came back.
- soon the astronauts will have repaired the telescope. 宇航员很快会把望远镜修好.
- will have done到将来某一点时间, 动作完成
- by Friday midday, they will have been working on it for seven days. 到星期五中午, 他们就在这个工程上干了7天了.
- work on sth关于......的工作
- 到将来某一点时间, 动作延续
Special Difficulties
- 难点
- Words often confused 经常容易混淆的词
- Study these examples:细读以下例子 :
- a Nouns: Cost, Price, Value
- The Hubble was launched at a cost of over a billion dollars. 哈勃望远镜发射升空, 耗资10多亿美元.
- How much is that blouse? Let's ask the price. 这件衬衣多少钱?让我们来问一下价钱.
- The stolen items were of sentimental, rather than financial value. 被盗物品更具有情感上的涵义, 而不是经济上的价值.
- b Verbs: Cost, Price, Value.
- What does this blouse cost, please? 请问, 这件衬衣多少钱?
- I want to price the bed linen in a few other shops before I buy any.我想在买床单之前打听几家商店的价格.
- I value you advice a great deal. 我非常尊重你的建议.
- cost / price / value : nouns名词 & verbs 动词
- nouns : price价格; cost 费用; value价值
- at the cost of 以......的费用
- verbs : price sth打听......的价格, 并比较
- cost花费sth cost money value sth认为......有价值
- value your time珍惜时间
- I value your advice我尊重你的意见
- value sth owned by oneself敝帚自珍
- Exercise练习
- Choose the correct words in the following sentences.选择正确的词.
- 1 There has been a sharp rise in the(price)(cost)(value) of living.
- 2 Whenever I buy anything new, my father always asks me the(value)(cost)(price).
- 3 If you have to work for something you will(value)(price)(cost) it more.
- 4 That house(valued)(cost)(priced) a fortune to build.
- 5 Dr. James's work is of enormous(value)(cost)(price) to the community.
- 6 Jane has(valued)(cost)(priced) the alternative products and she recommends this one.
- 7 So far, ten countries have given money towards the(value)(price)(cost) of rebuilding after the earthquake.
- 1 sharp rise: 大幅上升的
- living 生活
- the cost of living 生活的费用
- 2 price 价格
- 3 value : 表示认为有价值
- 4 fortune : 一大笔财产
- cost 花费
- 5 enormous adj: 巨大的
- community : 社区,社会
- value : 价值
- of great (enormous)value有巨大的价值
- 6 alternative 另外的
- recommend : 推荐
- price sth. 比较价格
- 7 towards = to
- the cost of rebuilding 重建费用
- 过去完成进行时: had been doing