Hecan't be at home．I just saw him in the office five minutes ago．题目和参考答案——青夏教育精英家教网—

题目内容

13．Hecan't be （不可能）at home．I just saw him in the office five minutes ago．

分析他不可能在家，我五分钟前还看到他在办公室．

解答答案：can't be
不可能：can't，表示推测；句意表达的是对说话时情况的推测，要用情态动词加动词原型来构成．

点评翻译填空题考查的是词汇记忆和句意理解能力．解题时，要用理解句意的前提下，注意词汇的拼写．

练习册系列答案

	A．	to drive，to drive		B．	to drive，driving
	C．	to driving，to drive		D．	to drive，to driving

4．Our new neighbours said they would __________ our house the next week．（　　）

8．You may find it _______ that Charlie was taught to sing as soon as he could speak．（　　）

	A．	astonishing		B．	astonished
	C．	to be astonished		D．	to be astonishing

18．你只有在不远离河岸的条件下才能去游泳．（on condition that）You can go swimming on condition that you don't go too far from the river bank．．

5．I didn't expect the exam to be so hard．
The exam wasmore than I could expected．

2．A gentleman passes andhesitates（犹豫）for a moment．

1．Directions：Complete the following passage by using the words in the box．Each word can only be used once．Note that there is one word more than you need．

A．adequately
B．advances
C．neighbour
D．colonize
E．concerns
F．create
G．intensively
H．settlers
I．smart
J．journey
K．survive

"Once we spread out into space and establish independent colonies，our future should be safe，"Stephen Hawking says．Stephen Hawking，one of the world's most important scientists，believes that to（41）K，humans must move into space．
Today，the United States，India，China，and Japan are all planning to send astronauts back to Earth's closest（42）C：the moon．Each country wants to create space stations there between 2020and 2030．These stations will（43）Aprepare humans to visit and later live on Mars or other Earth-like planets．
Robert Zubrin，a rocket scientist，thinks humans should（44）D space．He wants to start with Mars．Why？There are several advantages：for one，sending people to the moon and Mars will allow us to learn a lot-for example，whether living on other planets is possible．Then，we can eventually（45）Fnew human societies on other planets．In addition，the（46）B we make for space travel in the fields of science，technology，medicine，and health can also benefit us here on Earth．
But not everyone thinks sending humans into space is a（n）（47）I idea．Many say it's too expensive to send people，even on a short（48）J．And most space trips are not short．A one-way trip to Mars，for example，would take about six months．People travelling this kind of distance face a number of health problems．Also，for many early space（49）H，life would be extremely difficult．On the moon's surface，for example，the air and the sun's rays are very dangerous．People would have to stay indoors most of the time．
Despite these（50）E，sending people into space seems certain．In the future，we might see lunar（月球上的） cities and maybe even new human cultures on other planets．

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