The problem is _____ has caused us a lot of trouble.

A. one     B. that   C. one that   D. that one

C


解析:

因?yàn)閛ne that 相當(dāng)于 a problem that.

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科目：高中英語 來源：安徽省期中題 題型：閱讀理解

閱讀理解.
     Many animal lovers would like to do more to help animals, but aren't sure where to start
or feel like they just don't have the time. The good news is that there are many simple things
you can do to help protect animals.
     Think twice before you decide
     The decisions you make when it comes to eating meat or other animal products can go
a long way toward stopping the killing of animals. Consider eating a vegetarian(素食的)
diet. If you aren't ready to make this change, there are still things you can do. Do not buy
animal products from companies known to use practices that go against the law such as
using drugs to increase milk production in cows.
     Help get the word out
     Getting the word out about the problems faced by animals can be as easy as putting up
a notice on your car. Also, talk to your friends and family members about important issues
that are related to animals. Give some simple advice to a friend with a new pet about the
serious pet over-population problem we're facing. Turn to some books on the subject if
you are not so clear about the advice you give your friend.
     Write a letter
     We've all heard the saying, " The pen is more powerful than the sword". Put this idea
to the protection of animals. If a company has practices or rules that are harmful to animals,
write them a letter to let them know you are angry about them, and that you won't buy their
products until they make some changes. Write letters to state and local legislators(立法者)
to let them know how important it is that they support legislation that protects animals. Make
them know that their actions will have a great effect on your vote.
     Be more loving
     If you're considering adding a dog or a cat to your family, think about getting one from a
homeless-animal house rather than buying a pet. There are many wonderful animals just
waiting for a home. By taking back an animal from there, you will be helping in the fight
against pet over-population, as well as giving your money to those who are responsible for
taking care of pitiful animals.
     Let your actions be an example to others
     It may sound simple, but one of the best ways to help animals is to let your actions speak
to the world. You should do the following things first by yourself: Treat all living creatures
with respect. Care about your pets and look after them well. Avoid (避免)entertainment
places that use animals to perform. Support legislation (立法)that protects animals. All of
these things set an example for others to follow.
                           Title: Ways of__1__animals

Think about your__2__carefully

 ●Don'teatmeatoranimalproducts.
●__3__tobuyanimalproductsfromcompanies thathaveillegalpractices
Get the word out

 ●Put up an animal-protection__4__on the car
●Talk to your friends and family members about
important animal issues
●Give your friends some simple__5__on the pet
over-population proble
●Get help from books if necessary

Write letters

 ●Let those companies that are doing harm to animals
know about your__6__
●Let legislators know the__7__of their support for
legislation that protects animals

Be more loving

 ●Get a pet from a homeless-animal house

Act as an example to others

 ●Treat all living creatures with respect.
●Take good__8__of your pets
●Do not go to places where animals__9__
●Support legislation which is__10__for animals.


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