1970 was World Conservation(保护)year．The United Nations wanted everyone to know that the world is in danger．They hoped that governments would act quickly in order to conserve “nature”．Here is one example of the problem．At one time there were 1300 different plants, trees and flowers in Holland, but now only 866 remain．The others have been destroyed by a modern man and his technology．We are changing the earth, the air and the water, and everything that grows and lives．We can’t live without these things．If we continue like this, we shall destroy ourselves．
What will happen in the future? Perhaps it is more important to ask “What must we do now?” The people who will be living in the world of tomorrow are the young of today．A lot of them know that conservation is necessary．Many are helping to save our world．They plant trees, build bridges across rivers in forests, and so on．In a small town in the United States a large group of girls cleaned the banks of 11 kilometers of their rivers．Young people may hear about conservation through a record, called ?No one’s going to change our world．It was made by the Beatles, Cliff Richard and other singers．The money from it will help to conserve wild ?animals．
(1)
We are hoped to do something to protect the living things for the reasons except that．
[ ]
A．
we as well as the plants and animals are all the hosts of the earth
B．
the United Nations called on us to do that
C．
we can’t live alone without animals on the earth
D．
the other living things can provide us with eatings and materials to use
(2)
There are few plants, trees and flowers in Holland now because _________．
[ ]
A．
there has been a lot of conservation in Holland
B．
Holland does not need so many plants, trees and flowers
C．
many plants, trees and flowers are dangerous
D．
many plants, trees and flowers do not grow there
(3)
No one’s going to change our world was _________．
[ ]
A．
an important book published in 1970
B．
an idea that nobody would accept
C．
a record calling all people to conserve nature
D．
a rule worked out by the United States
(4)
What is the most important thing for us to do to save our world?
[ ]
A．
We should plant more trees and flowers．
B．
We should clean the banks of our rivers．
C．
We should know what will happen in the ?future．
D．
We should know what we must do and begin to do it now．
(5)
What does it mean that to ask “what must we do now” is more important than to ask “what will happen in the future”?
[ ]
A．
The protection of living things on the earth is in instancy．
B．
More and more animals and plants are dying out．
C．
Many people including the young are taking ?actions to save our earth．
It's generally thought to be impolite not to give waiters some money as a tip after getting good services in western countries．However, hard economic times mean tourists are giving fewer tips, according to a survey(调查)．
As many as one third of holidaymakers are giving smaller tips or have stopped tipping entirely, the survey by TripAdvisor found．Also, only 46％ of British always know what is expected in the way of tips in other countries．The survey of 5,595 travellers, including 1,197 from the UK, showed that 41％ of European travellers were tipping less or not at all this year．A total of 63％ of European travellers knew how to tip in other countries, with Italians coming first．
The survey also showed that 29％ of British tended to give the same amount in tips whatever country they were in．As many as 8％ of British said they had had a holiday ruined by a bad tipping experience, while 16％ said they they had been once in a situaiton where the waiter complained about the amount of the tip．Also, 12％ of British said tipping on holiday made them nervous, while 22％ said the US tipping culture put them off travelling to America．
TripAdvisor spokeswoman Emma Shaw said：“It's been a challenging year for the British economy and Brits are spending very carefully．While the majority are still rewarding good service on holidays with tips, many Brits are giving smaller tips as cost-saving continues to be important．”
(1)
Why do the tourists give fewer tips?
[ ]
A．
The tipping culture has greatly changed．
B．
They are not satisfied with the service．
C．
They are suffering from tough economy．
D．
They don't know how to tip in other countries．
(2)
What can we learn from the survey?
[ ]
A．
More than 50％ of British knew well about how to tip in a foreign country．
B．
41％ of British travelers tipped less or not at all in the year．
C．
12％ of British often gave the same amount in tips．
D．
8％ of British experienced unhappy holidays because of improper tipping．
(3)
What does the underlined sentence in the third paragraph probably mean about the 22％ of British?
[ ]
A．
They had to put off their trip to America because of the poor service．
B．
They didn't think America was a good place for travelling．
C．
They didn't like to travel to America because of the heavy tipping there．
D．
They wouldn't go to America because they didn't know American culture．
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