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[单选题]

Castings are parts that are made（)their final dimensions by a casting process.

A.euqal

B.exact

C.close to

D.respect to

答案

C、close to

发布时间：2022-07-13

更多“Castings are parts that are made()their final dimensions by a casting process.”相关的问题

第1题

There are different ideas about pets in different parts of the world.In most cultures,

animals are in a worse position than human beings.In some cases, however, people treat their pets like members of their families, or perhaps better.In the United States and Europe, there are special shops that sell clothing and food for cats and dogs.

In many countries of the world, there is special food for pets.It is common for big markets in many places to sell cat food and dog food.However, in a small town in France, there is a special restaurant for dogs.Dogs are the only customers.There is seating for twenty of them.The dogs choose from a variety of dishes on the menu.

Of course, in most parts of the world, pets don’t live in such wealth and comfort.P eople treat their pets in a more practical way.People own cats and dogs because they keep away mice and other unwanted animals.Owners have some loving feelings for their pets, but they do not see them as equal to family members.In most places in the world, there isn't any special clothing or fine food for animals.There aren’t any special restaurants for dogs.

Pets around the world live in a great variety of ways, just as people do.

21.According to the passage, in most countries _______________.

A.animals are in a worse position than human beings

B.people treat their pets like members of their families

C.there are special shops that sell clothing for dogs and cats

D.pets such as dogs and cats are very popular

22.According to the passage, there are _________________.

A.a few restaurants for dogs in every city in France

B.many owners of dogs and cats in the United States and Europe

C.no dogs or cats that wear clothing

D.some people who treat their pets far better than they treat their children

23.For many people, pets may have a more practical function because _______________.

A.pets are often useful companions for old people

B.cats and dogs can be used to keep away mice

C.pets can sometimes be sold to make money

D.some pets may show loving feelings for their owners

24.In your opinion, which of the following sentences is probably true？

A.Dogs and cats like to wear expensive clothing.

B.Many people visit the dog restaurant in France.

C.In some cases, animals have better food and clothing than people.

D.People in every part of the world like to buy fine clothing for their pets.

25.The main idea of this reading passage is _______________.

A.Dogs enjoy fine restaurants

B.A rich cat can afford to go to any restaurant

C.It is stupid to have special food and clothing for animals

D.People treat pets in very different ways in different parts of the world

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第2题

There was more than ______rain and snow last year; so many parts of the country have been flooded this spring.

A.adequate

B.extra

C.efficient

D.permanent

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第3题

填句补文Biological ClockWhen the sun rises on a warm and sunny day, you can see some flo

填句补文

Biological Clock

When the sun rises on a warm and sunny day, you can see some flowers open up. When they close late in the afternoon, other flowers open.

Biological rhythms(生物节律), like the opening and closing of flowers, happen all over nature. But not all of them are daily rhythms. Some, like the beating of our heart, happen every second. （1）Scientists use the term biological clock to describe the timing that controls biological rhythms. （2） In some animals it is probably controlled by the brain. In plants and other living things that have no brain, it must be something else.

The migration of animals happens when a signal is sent out. For example, when days become shorter, birds leave the northern parts of the world and fly south where it is warm. （3）Humans also have biological clocks that control their daily rhythms. When people travel by plane from one continent to another, they often cross many time zones. Their internal clocks don’t seem to work correctly. We call this jet lag(时差). （4）People who work night shifts also have problems with their biological clocks. They may not be as active as people who work during the daytime.

Biological clocks control many rhythms of life. （5） Doctors are looking for new ways to make travelling more comfortable and medical treatment more effective.

A. But where can you find it？

B. This makes them feel tired.

C. In the summer they fly back to have babies.

D. We are learning more and more about them.

E. Biological clocks can be adjusted.

F. Other rhythms are based on months, seasons or years.

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第4题

Students can travel in the United States without spending too much money if they follow

these suggestions.

A travel agent can give you information on special economy fares for trains, buses and planes. Think about hiking or biking for a part of your trip, too. You’ll not only save money, but you’ll also see a lot more of the country.

Some students may want to travel by car. Be sure to think about going with other students—many colleges have “ride boards” that list when and where other students plan to travel. Many radio stations provide the same sort of service — they announce who’s driving where, when, how many riders they will take and what the expenses will be.

There are many inexpensive, older hotels near bus or train stations. Check your travel guide for names of the best. Many parts of the country also have youth hostels where young people can stay for only a few dollars a night.

You don’t have to eat in restaurants all the time, but we don’t recommend a diet of candy and cola, either. You can usually get a healthy, cheap breakfast in a restaurant. If the weather is warm, you can buy food in supermarkets or at roadside stands and have a picnic for lunch. For dinner you can get the names of good, cheap restaurants from travel guides or friends.

26、The passage tells students _______ .

A.how to make travel plans

B.how to get help while traveling

C.how to use less money while traveling

D.how to choose hotels

27、To see more of the country, you’d better travel _______ .

A.by plane

B.by bus

C.by train

D.by bike

28、If you want to share rides with others, you can get information _______ .

A.on the blackboards in classrooms