新概念英语第二册72-03

Comprehension 理解—要从原文中找答案

1 The Hubble failed to send us satisfactory pictures because _______.

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

answer: b 原文

2 The Hubble telescope ______.

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

answer : a

constant n.[数、物]常数, 恒量 adj.不变的, 持续的, 坚决的

5 A robot-arm will hold the telescope ________the astronauts to repair it.

a. for b.so that c. so long as d.which

answer : a 原文

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

11 The main mirror of the Hubble _______.

a. had problems b. was distant

c. was the clearest d. requires repairs

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.

Answer:D

1、problem＝question

2、problem＝trouble

12 The Hubble is _______the earth's atmosphere.

a. below b. over c. within d. outside

answer: d

above 在...之上(凌空)

above the earth’s atmosphere 在大气层的上方

【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