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Exactly when the first people arrived in 1 as California, no one really knows．
Scientists believe that these first setters crossed the Berlin Strait from Asia to Alaska 2 of a land bridge．
Thousands were killed or 3 slavery． 4 , many 5 brought by Europeans．
Cloning has two 6 ．Firstly,…Secondly, it is valuable for research on 7 and for medical research on animals．…Many 8 to clone mammals failed．But at last the 9 of the scientists was rewarded in 1996 10 －the cloning of Dolly the sheep．
阅读短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Choosing the right job is probably one of the most important decisions we have to make in life, and it is frequently one of the hardest decisions we have to make．One important question that you might ask yourself is：“How do I get a good job?” 1 ．
There are people who can answer an insignificant advertisement in the local paper and land the best job in the world; others write to all sorts of places all over the country, and never seem to get a reply at all．Still others believe that the in person, door－to－door approach is by far the best way to get a job; and then there are those who, through no active decision of their own, just seem to be in the right place at the right time． 2 ．He used to spend a lot of his free time down by the sea watching the tall ships, but never thinking that he might one day sail one of them．His father was a farmer, and being a sailor could never be anything for the boy but an idle dream．One day, on his usual wandering, he heard the captain of the ship complaining that he could not sail because one member of his crew was sick．Without stopping to think, the lad(少年)offered to take his place． 3
4 ．If the lad had gone home to ponder(考虑)his decision for a week, he may have missed his chance．It is one thing to be offered an opportunity; it is another thing to take it and use it well．
Sometimes we hear stories about people who break all the rules and still seem to land plum jobs(美差)．When you go for a job interview or fill out an application, you are expected to say nice things about the company to which you are applying． 5 ．And within a year this person had become general manger of the company．
A．This story also illustrates the importance of seizing an opportunity when it presents itself．
B．People find jobs in an infinite number of ways．
C．it's almost impossible to find a good job by answering advertisement in newspapers
D．Take for example the young man who wanted to be a sailor．
E．But there was one person who landed an excellent job by telling the interviewer all the company's faults．
F．He spent the rest of his life happily sailing the ships he had always loved．
G．It is very important to seize an opportunity when it presents itself．
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Many people believe the glare（炫目的光）from snow causes snowblindness. Yet, with dark glasses or not, they find themselves suffering from headaches and watering eyes, and even snowblindness ,when exposed to several hours of“snow light”.
The United States army has now determined that glare from snow does not cause snowblindness in troops in a snow-covered country. Rather, a man’s eyes frequently find nothing to focus on（聚集）in a broad space of snow-covered without-grass land. So his gaze continually moves and jumps back and forth over the entire landscape in search of something to look at. Finding something, hour after hour, the eyes never stop searching and the eyeballs become tired and the eye muscles ache. Nature makes up for this discomfort by producing more and more fluid（流体）which covers the eyeball. The fluid covers the eyeball in increasing quantity until it makes eyes difficult to see dearly, and the result is total, even though for a short time, snowblindness.
Experiments led the Army to a simple method of overcoming this problem. Scouts（侦察兵）ahead of the troops are trained to shake snow from evergreen bushes, creating a dotted line as they cross completely snow-covered landscape. Even the scouts themselves throw lightweight, dark-colored objects ahead on which they can focus too. The men following can then see something. Their gaze is arrested. Their eyes focus on a bush and having found something to see, stop searching the snow-blanketed landscape. By focusing their attention on one object at a time, the men can cross the snow without becoming hopelessly snowblind or lost. In this way the problem of crossing a continuous white land is overcome.
To prevent snowblindness caused by the strong light from snow, wearing glasses or not _____.
A. depends on whether the snow is white enough B. makes no difference
C. makes much difference D. depends on whether the snow is thick
When the eyes are tired, tears flow out ______.
A. to clear the vision B. to make the eyes stop searching
C. to make the vision unclear D. to produce more and more liquid
Snowblindness can be avoided ________.
A. by moving one’s gaze back and forth
B. by walking ahead and keeping looking around
C. by making up for the discomfort of one’s eyes
D. by providing the eyes with something to focus on
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第II卷 （非选择题 共50分）
第三部分 写作（共两节，满分50分）
第一节 短文改错（共10小题；每小题1.5分，满分15分）
此题要求改正所给短文中的错误。对标有题号的每一行做出判断：如无错误，在该行右边横线上画一个勾（ √ ）；如有错误（每行只有一个错误），则按下列情况改正：
此行多一个词：把多余的词用斜线（＼）划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号（ ），在该行右边的横线上写出该加的词。
此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：原文没有错的不要改。
Have you ever heard Angel Falls? 66.
It is a highest waterfall in the world, deeply in the jungles 67.
of Venezuela. Few has ever seen Angel Falls. 68.
That is very hard to get there. If you go there by land, 69.
and you will have to travel for weeks through 70.
thick jungles. If you go by plane, it will take about 71.
four hours. No one knew about this high waterfall since 1930. 72.
In that year, James Angel, American pilot, flew over the area. 73.
All of a sudden he saw a waterfall, that seemed 74.
to drop straight out of from the clouds. 75.
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