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1. Reading comprehension阅读理解………………
ANIMALS IN DANGER
Three billion years after life began, the earth is now the home to many
different kinds of living things—perhaps five to ten million kinds. However,
many of these are dying out. It is thought that between the years 1550 and
1950 an average of one kind of living thing died out each year.By 1985 this
had risen to one per day.Between 1980 and 2010 we may lose another half a
million different kinds of living things.
There are many reasons for animals dying out, but the most important one
is the part that humans have played. First, many animals have been killed for
food. Second, many of the placesswheresthese animals used to live have been
destroyed. Dry lands have been watered. Wet lands have been turned /into/ fields.
Forests have been cleared. Much land has either been changed to farmland
or used for building. Polluted rivers and lakes have also been a cause of death.
One example of an animal in danger is the tiger. There are three types of
tiger living in China: the South China, the Northeastern, and the Bengal. In
all there are probably no more than a total of 400 tigers left in China. Many of
the forestsswheresthey lived were destroyed. Also, tigers were hunted and kill
ed until in many areas the entire population had disappeared.
In 1900 there were about 100,000 tigers in Asia. In 1970 when the shoot
ing of tigers was stopped there were just 5,000 left. In India, however, the
population of tigers has increased, from 2,000 in 1972 to about 5,000 in
1989. Perhaps the same progress can be made in China.
3. Reading comprehension阅读理解………………
A DAY IN THE FOREST
Last Monday our class went on an organized trip to a forest to study the
wildlife. We travelled by bus. It took us two and a half hours to get to the for
est. When we arrived, we were given printed question papers. We had to fill
in the answers in our notebooks.
The purpose of the trip was to record all the wildlife and plants that we
could find in the forest. Whenever we found an unknown plant, we had to de
scribe it in our notebooks. If none of us knew the name of the plant, we wrote
“unknown”in our notebooks.
The gate /into/ the forest was open, so we entered it. We all started looking
for new types of plant. Sun Yao, our monitor and I remembered a programme
that a wellknown film director had made about the forest. She had shown pic
tures of a plant that had recently been discovered. She had not said, however,
where it could be found. She said it was a wellkept secret. We decided to try
and find this plant.
We had our picnic lunch in the forest next to a fallen tree. After lunch we
put some water /into/ a bottle and did tests to see if it was polluted. We were all
very interested to see the results. In fact, the water was not at all polluted. In
the afternoon, we all went off separately to look for new plants. At five o'clock
we started walking back to the entrance to the forest. Suddenly someone said,
“Has anyone seen Sun Yao? He must be lost.”
Three of us walked back about one kilometre and found Sun Yao. He was
busy measuring a plant and taking photographs of it. Pointing to the young
plant, he asked me if that was the type of plant we had seen in the film. To
my great joy,the plant did look exactly like what we were looking for. All of us
felt very happy.
Many animals have died out for the cause of much killing and hunting.
短语链接：die of死于(内因)；die from死于(外因)；die for牺牲，渴望得到；die by被(某种凶器)致死；die away(声音等)消失
2.It is thought that...是一个由形式主语it引导的句型，真正的主语是that从句。意思是“据认为”，相当于People think that (人们认为)。
It is thought SARS spreads easily.
句型链接：It is said that...据说；It is believed that...据相信，据认为；It is announced that...据宣称；It is reported that...据报导
3.an average of平均有……
The Whites earn an average of 80 thousand dollars each year.
短语链接：on (the) average平均
4.play the part/role扮演角色；起到作用
Which part do you play?你演哪一个角色?
When someone is in danger, we must try to help him/her.
该短语为动宾结构，宾语可被形容词much，rapid, little, no等修饰。
She has made rapid progress in her study.
7. fill in填写；填入
Fill in the form, please.请填写这张表格。
8.the purpose of ...……的目的
She went to America with the purpose of looking for a new job.
9.Pointing to the young plant, he asked me if that was the type of plant we had seen in the film.这是个复合句，主句为he asked me;后面跟if引导的宾语从句。在宾语从句中，又有一个定语从句，即we had seen in
the film，修饰先行词plant。此外，pointing to the young plant
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