新概念英语第二册 Lesson 61 · 语法精读与固定搭配分类
本课是一篇关于哈勃望远镜的科普报道。语言点集中在 被动语态（was launched / has been put right / will be sent）、将来进行时 will be doing、将来完成时 will have sent，以及 at a cost of、right from the start 等短语。
| 句子 | 语法点 |
|---|---|
| The Hubble telescope was launched into space by NASA on April 20, 1990 at a cost of over a billion dollars. | 被动语态 was launched into space：被发射进入太空 · 具体日期前用 on · at a cost of 以……的代价（这里指耗资）· a billion dollars 十亿美元 |
| Right from the start there was trouble with the Hubble. | right from the start 从一开始（right 加强语气）· there was trouble with … ……出了问题 |
| The pictures it sent us were very disappointing because its main mirror was faulty! | 定语从句 it sent us 修饰 the pictures（关系代词被省略）· disappointing 令人失望的 · 原因状语从句 because 引导 · faulty 有误差的（fault + -y） |
| 句子 | 语法点 |
|---|---|
| NASA is now going to put the telescope right, so it will soon be sending up four astronauts to repair it. | be going to do sth. 打算做某事 · put sth. right 把某物修好 · 将来进行时 will be sending up（按计划即将执行）· send up 送上天 |
| The shuttle Endeavour will be taking the astronauts to the Hubble. | shuttle 航天飞机 · Endeavour “奋进”号（专有名词）· 继续用将来进行时，写出「计划中的安排」这一语气 |
| A robot-arm from the Endeavour will grab the telescope and hold it while the astronauts make the necessary repairs. | 时间状语从句 while 引导（在……期间）· robot-arm 机器手 · grab 抓住 · make the necessary repairs 进行必要的维修 |
| 句子 | 语法点 |
|---|---|
| Of course, the Hubble is above the earth's atmosphere, so it will soon be sending us the clearest pictures of the stars and distant galaxies that we have ever seen. | above the earth's atmosphere 在地球大气层之上 · 最高级 + 定语从句 the clearest pictures … that we have ever seen（从句用现在完成时）· distant 遥远的 · galaxy 星系 |
| The Hubble will tell us a great deal about the age and size of the universe. | tell sb. about sth. 告诉某人关于某事 · a great deal 大量（此处作代词）· the age and size of the universe 宇宙的年龄和大小 |
| By the time you read this, the Hubble's eagle eye will have sent us thousands and thousands of wonderful pictures. | 时间状语从句 by the time 引导（到……的时候）· 将来完成时 will have sent：到那时将已经发送了 · eagle eye 鹰眼（喻指锐利的镜头）· thousands and thousands of 成千上万的 |
| 短语 | 用法与例句 |
|---|---|
| at a cost of | 以……的代价（这里指耗资）：at a cost of over a billion dollars。 |
| right from the start | 从一开始：Right from the start there was trouble with the Hubble。 |
| be going to do sth. | 打算做某事：NASA is now going to put the telescope right。 |
| put sth. right | 把某物修好：put the telescope right。 |
| send up | 送上天，发射：it will soon be sending up four astronauts。 |
| a great deal | 大量（作代词用）：The Hubble will tell us a great deal。 |
| by the time … | 到……的时候：By the time you read this…。 |