根据对话情景和内容，从对话后所给的选项中选出能填入每一空白处-优题课

第三部分：语法填空（共两节，满分20分，每小题1分）
根据文段内容或提示，填写正确的单词，每空只能填写一个单词。
A
No one knows exactly __31___ the earth began, as it happened so long ago. However, according to a __32___ (wide) accepted theory, the universe began ___33___ a “Big Bang” that threw matter in all directions…..What it was to become was __34___(certain) until between 4.5 and 3.8 billion years ago __35___ the dust settled into a solid globe. The earth became so violent __36___ it was not clear whether the shape would last or not…….People are__37__ (put) too much carbon dioxide into the atmosphere, which prevents heat from __38____(escape) from the earth into space. As a result of this, many scientists believe the earth may become too hot to live on. So __39____life will continue on the earth for millions of years to come will depend on whether this problem can be __40___(solve).

第二节语法填空(共10小题；每小题1.5分，满分15分)
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填人一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31～40的相应位置上。
Just like other _31__ , English changes and develops when cultures meet and communicate with each other. At first, the English spoken in England between about AD 450 and 1150 was very different __32__ today’s English. It was 33___ (base) more on German than the English we speak at present. Then __34__(gradual) between about AD 800 and 1150, English became less like German because those__35_ ruled England spoke first Danish and later French. These new settlers enriched____36__ ( rich ) the English language and especially its vocabulary. So by the 1600’s Shakespeare was able to make use of _37__ wider vocabulary than ever before. In 1620 some British settlers moved to America .Later in the 18th century some British people ___38__(take) to Australia too. English _39___(begin)to be spoken in both countries. Finally by the 19th century the language was settled and now English is also spoken as a foreign or second language in South Asia and __40___parts of the world.

C
I began as a (91) ___________machine in 1642. It took nearly two hundred years (92) ___________I was built as an analytical machine. I became a “universal machine” in 1936 to (93) ___________any mathematical problem. I was very big at one time. However, as time (94),___________,I was made smaller and smaller. I was given a family (95) ___________by a network in the early 1960s. I was able to (96) ___________my knowledge with others (97) ___________the World Wide Web.
I have been widely used in many fields, such as in communication, (98) ___________,trade and medical (99) ___________.I have also been put into robots and space rockets to (100) ___________the Moon and Mars. I’m glad I am a devoted friend and helper of the human race.

B
A(n) (81) ___________writer about 2,000 years ago called Pausanias came on a(n) (82) ___________journey to find out about the present-day Olympic Games. He interviewed a(n) (83) ___________named Li Yan. He learned that there were two main (84) ___________of Games—the Winter and Summer Olympics, and that both were held four years on a regular (85) ___________.Anyone who has reached an agreed standard for their event can be admitted as (86) ___________.To Pausanias’s surprise, women are playing a very important role in many games. Every country wants to (87) ___________the Olympic Games, and it is a great (88) ___________but also a great honour to be chosen. Li Yan told him that the Chinese were very (89) ___________because the 2008 Olympic Games would be held in Beijing. Pausanias was happy to know the (90) ___________of the Olympics—“Swifter, Higher and Stronger” and he felt very interested in it.

第四部分：写作（共四节，满分45分）
第一节：根据课文内容将下面短文补充完整，单词的首字母已经为你写出(注意:在答卷上要写出所填单词的首字母及其它字母的正确形式，否则不给分)。
A
The Amber Room, which was considered one of the (71) ___________of the world, had an (72) ___________history. The room was designed in the (73) ___________style and (74) ___________with gold and jewels.
In 1716, Frederick William I, to whom the Amber Room (75) __________, gave it to Peter the Great. So it became part of the Czar’s winter palace in St Petersburg and served as a small (76) ___________hall for important visitors.
Later, Catherine II had it (77) ___________to a palace outside St Petersburg and told her artists to add more details to it. But in 1914, when Russia and Germany were at (78), ___________the Nazi army entered the summer palace, (79) ___________some treasures secretly. After that, what happened to the Amber Room remains a (80) ___________.
Recently, a new Amber Room has been built at the summer palace by the Russians and Germans.