Mary made coffee ________ her guests  were  finishing their meal .

A. so that   B. although   C. while D. as if

She brought with her three friends, none of ______ I had ever met before.

   A. them                          B. who

   C. whom                         D. these

Can we see _____sun when we are in ______space?

the;the       B.the;/        C./;the          D./;/

 Only under special circumstances ________ not to wear their school uniforms.

A. are students allowed                              B. allowed are students.

C. students are allowed                              D. are allowed students

The world itself is becoming much smaller by using modern traffic and modern communication means. Life today is much easier than it was hundreds of years ago; but it has brought new problems. One of the biggest is pollution. To pollute mean to make things dirty. Pollution comes in many ways. We see it, smell it, drink it and even hear it.

Man has been polluting the earth. The more people, the more pollution. Many years ago, the problem was not so serious because there were not so many people. When the land was used up or the river was dirty in a place, men moved to another place. But this is no longer true. Man is now slowly polluting the whole world.

Air pollution is still the most serious. It’s bad to all living things in the world, but it is not only one kind of pollution. Water pollution kills our fish and pollutes our drinking water. Noise pollution makes us become angry more easily.

Many countries are making rules to fight pollution. They stop the people from burning coal in houses and factories in the city, and from blowing dirty smoke into the air.

 The pollution of SO₂ is now the most dangerous problem of air pollution. It is caused by heavy traffic. It is sure that if there are fewer people driving, there will be less air pollution.

The earth is our home. We must take care of it. That means keeping the land, water and air clean. And we must keep careful of the rise in pollution at the same time.

Our world is becoming much smaller ___________.

A. because the earth is being polluted day and night.      

B. thanks to science developing.       

C. because of the rise in pollution  

D. because the earth is blown away by the wind every year.

Pollution comes in many ways. We can even hear it. Here “it” means ___________.

A. water pollution      B. air pollution      C. noise pollution      D. rubbish

Air pollution is the most serious kind of pollution because __________.

A. it’s bad to all living things in the world.  

B. it makes us become angry more easily.

C. it has made our rivers and lakes dirty.      

D. it makes much noise.

Which of the following is not true?

A. The problem of pollution is not so serious because there are not so many people.

B. From now on, maybe people try to go to work by bus or bike instead of car or motorbike. It is helpful to fight against the pollution of SO₂.

C. The pollution of the earth grows as fast as the world’s pollution does.

D. Many countries are making rules to fight pollution.

Losing a baby tooth can be fun for a kid. You can put it under your pillow and look forward to finding some money there in the morning. And then you can watch your new permanent(永恒的) tooth grow in its place.

But if a permanent tooth falls out, that’s a problem. There isn’t another one under the gum(齿龈)that can replace it. Unfortunately, this happens to some older people. And if permanent teeth fall out-or need to be pulled-an older person might need dentures.

Dentures, known as false teeth, are a set of replacement teeth for any teeth that are missing. There are partial dentures, which take the place of only a few teeth and prevent the others from changing position. If all the teeth are gone, the person would need complete dentures, which replace every tooth in the mouth.

Dentures can cause pains at first and take some time to get adjusted to. They also need special care. They should be brushed daily with a special denture brush and cleanser and soaked in denture solution when not in the mouth.

Dentures are important for older folks because, without teeth, it’s hard to smile, talk, and eat properly. But it can be a little weird if you see someone take out his or her dentures. It can also be strange to see someone, like a grandparent, without dentures in because he or she won’t have any teeth. Try not to make fun of the person because this could cause hurt feelings.

People usually lose their permanent teeth due to periodontal disease, or gum disease, which is caused by bacteria that attacks the gums. Diseased gums aren’t strong and healthy, so teeth can get loose and fall out. Older people often have many cavities(洞)that have been filled over the years, and these fillings can weaken over time, leading to more tooth decay(腐烂).

If one of your baby teeth falls out, he or she       .

A．should have a false tooth fixed in its place

B．have to put it under your pillow at once

C．will gain a permanent tooth in future

D．can exchange it for some money

A person wearing dentures      .

A．should brush them with a special denture brush every few days

B．will take a very long time to adjust himself or herself to them

C．will experience unpleasant feelings at the beginning of fixing them

D．should use denture solution to soak them in his or her mouth

Which of the following is NOT true according to the passage?

A．Partial dentures can prevent the remaining teeth from changing position.

B．Old people will find it hard to smile, talk, and eat properly without teeth.

C．A person’s teeth will possibly get loose if diseases strike his gums.

D．It is hard for a person to wear dentures if all his teeth have fallen out.

What does the underlined word “weird” mean in the fifth paragraph?

A．inconvenient           B．strange          C．uncomfortable       D．impolite

What our teacher said ______ me.

   A. surprised    B. surprise    C. is surprised    D. is surprising

___________ in charge of the shopping centre has upset him for quite some time.

A. Left          B. Being left       C. Having left      D. To leave

阅读下列句子，从方框中选择适当的词或词组,用其适当的形式填空，使句子意思通顺、完整。每空限填一个单词或词组，每词或词组限用一次。方框中有四个词或词组是多余的。

91.I looked carefully at the text and realized that it _________ women in the countryside.

92.I discovered that she had ________ her whole life to her patients and had chosen not to have a family of her own.

93.You may find it ________ that Charlie was taught to sing as soon as he could speak and dance as soon as he could walk.

94.He made people laugh at a time when they felt _____, so they could feel more content with their lives.

95.Tony _________Julia, touched her shoulder and kissed her on the cheek.

96.The amazing, up-to-date information together with many opportunities for hands-on learning ______ the world come to life in a completely new way for visitors.

97.Every area of the park ______  life in the days of King Arthur and the Knights of the Round Table.

98.All cultures don’t greet each other the same way, ______ are they comfortable in the same way with touching or distance between people.

99.Like so many others, the little tramp and his friend have rushed there _______ gold, but without success

100.He_______ to stay alone rather than gossip with his co-workers in his spare time.

Yesterday I ________ an old college friend in the restaurant, who was still very ________ about what he ate.

 A. came across; worried     B. bumped into; particular

C. knocked into; complained  D. ran into; curious