In January, 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind．
A．it marked B．marking C．marked D．to mark
I spent five hours_____________ the book__________ I paid 10 dollars．
A．reading; that B．to read; for that C．read; which D．reading; for which
With five hungry children seated round the table, the food disappeared_____________．
A．on time B．in time
C．at no time D．in no time
—You haven’t been to Beijing, have you?
—______________．How I wish to go there!
A．Yes, I have B．Yes, I haven’t C．No, I have D．No, I haven’t
根据以下内容写一篇5句话说明文，标题为“Australia”。
1)、澳大利亚位于太平洋的西侧，是大洋洲（Oceania）最大的国家，面积760万平方公里。
2)、人口稀少，只有1，000多万，多数集中在东部沿海地区。
3)、首都堪培拉（Canberra）风景秀丽。
4)、悉尼（Sydney）是澳大利亚最大城市。有许多名胜，其中悉尼歌剧院（Opera House）闻名于世。2000年奥运会就是在悉尼举行的。
根据所给中文意思或首字母，用Unit1-3所学单词填空，使句子意思通顺，语法正确。
1.But he became inspired when he thought about helping ordinary people e________ to cholera.
2.In two particular streets, the cholera outbreak was so ________（严重的） that more than 500 people died in ten days.
3.They had been given free beer and so had not drunk the water from the pump. It seemed that the water was to b_______.
4.His friends were enthusiastic and encouraged him to punish his ideas, but Copernicus was ________ (谨慎的).
5.It is a pity that the industrial cities built in the nineteenth century do not a________ visitors.
6.For historical ________ (建筑) you have to go to older but smaller towns built by the Romans.
7.There followed St Paul’s Cathedral built after the terrible fire of London in 1666. It looked s________ when first built!
8.I still cannot believe that I am taking up this prize that I won last year. I have to remind myself __________ (不断地) that I am really in AD3008.
9.At first my new surroundings were difficult to _______（忍受）
10.Nothing is wasted, and everything, even plastic bags, is r_______.
根据所学课文，用合适词语填空，使句子意思通顺，语法正确。
11.I can still remember the moment ________ the space stewardess called us all to the capsule and we climbed in through a small opening.
12.A woman, who had moved away from Broad Street, liked the water from the pump so much that she had it __________ (deliver) to her house every day.
13.So between 1510 and 1514 he worked on it, gradually _________(improve) his theory until he felt it was complete.
14.The Christian Church rejected his theory, _______ (say) it was against God’s idea and people who supported it would be attacked.
15.Finally the English government tried in the early _________ (twenty) century to form the United Kingdom by getting Ireland connected in the same peaceful way.
16.______ their credit the four countries do work together in some areas (e.g., the currency and international relations), but they still have very different institutions.
17.To her great surprise, Zhang Pingyu found the Queen’s jewels guarded by special royal soldiers _____, on special occasions, still wore the four-hundred-year-old uniform of the time of Queen Elizabeth I.
18.The capsule began swinging gently sideways as we _______ (lie) relaxed and dreaming.
19.However, I lost sight of Wang Ping when we reached ______ looked like a large market because of too many carriages flying by in all directions.
20.During the ________ (explain) I looked at the pair of small objects called “thoughtpads” on a table. They just looked like metal ribbons.
