1.[阅读选择]For any given task in Britain there are more men than are needed. Strong unions keep them there. In Fleet Street,home of some of London's biggest dailies,it is understood that when two unions quarrel over three jobs the argument is settled by giving each union two. That means 33 per cent over manning,33 per cent less productivity than could be obtained.
What happens when disputes over job opportunities arise among British unions？
A.Thirty three per cent of the workers will be out of work.
B.More jobs will be created by the union.
C.More people will be employed than necessary.
D.The unions will try to increase productivity.
答案解析：本段开头告诉读者"…there are more men than are needed…when two unions quarrel over three jobs,the argument is settled by giving each union two"，接下来编辑又进一步说明其实质，即它意味着"33 per cent over manning， 33 per cent less productivity than could be obtained"。
1.[阅读选择]There are many other foods that have traveled from South America to the Old World. But some others went in the opposite direction. Brazil is now the world's largest grower of coffee,and coffee is an important crop in Colombia and other South American countries. But it is native to Ethiopia,a country in Africa. It was first made into a drink by Arabs during the 1400's.
Which country is the largest coffee producer？
答案解析：答题依据在本段的第三句。Producer 与 grower 意思等同。
1.[阅读选择]The system has several advantages. Shepherds do not have to walk among the sheep,which tends to disturb the mother sheep that are about to give birth. Instead,they can stay inside, watching by remote control. If there is no problem,they stay away from the sheep. But when they are needed they can quickly go out to help,or to scare away foxes. The experiment is popular with shepherds because it means that they do not have to spend all their time outdoors waiting for the lambs to arrive in freezing weather.
From the passage,we learn that walking among the sheep ______.
A.is more popular with shepherds than watching TV inside
B.can help the mother sheep to give birth to more lambs
C.is the best way to protect the sheep
D.usually disturbs the mother sheep that will give birth
答案解析：根据本段第二句话Shepherds do not have to walk among the sheep,which tends to disturb the mother sheep that are about to give birth.可知D项正确。