[单项选择]D
European mink (豹) once lived well along waterways throughout most of Europe. The fur (皮毛) of this small animal is soft and beautiful. But some people believed the fur of the American mink was better. Fur farmers took thousands of American minks to eastern Europe, and they quickly developed throughout Europe. In the wild, American minks drove the other animals away from the best hunting grounds. Now just a few hundred European minks are left—making them Europe’s most endangered (濒危) wild life. To save the mink, scientists are trying to keep a certain number living on an island in Baltic Sea. Without help, says David Macdonal of Oxford University’s Wildlife Conservation Research Unit in England, the European mink is "heading for extinction (灭绝)./

Scientists think American mink has more useful fur.
A. Right.
B. Wrong
C. Doesn’t Say.

[单项选择]D
European mink (豹) once lived well along waterways throughout most of Europe. The fur (皮毛) of this small animal is soft and beautiful. But some people believed the fur of the American mink was better. Fur farmers took thousands of American minks to eastern Europe, and they quickly developed throughout Europe. In the wild, American minks drove the other animals away from the best hunting grounds. Now just a few hundred European minks are left—making them Europe’s most endangered (濒危) wild life. To save the mink, scientists are trying to keep a certain number living on an island in Baltic Sea. Without help, says David Macdonal of Oxford University’s Wildlife Conservation Research Unit in England, the European mink is "heading for extinction (灭绝)./

There are more American minks than European minks in England.
A. Right.
B. Wrong.
C. Doesn’t Say.

[单项选择]D
European mink (豹) once lived well along waterways throughout most of Europe. The fur (皮毛) of this small animal is soft and beautiful. But some people believed the fur of the American mink was better. Fur farmers took thousands of American minks to eastern Europe, and they quickly developed throughout Europe. In the wild, American minks drove the other animals away from the best hunting grounds. Now just a few hundred European minks are left—making them Europe’s most endangered (濒危) wild life. To save the mink, scientists are trying to keep a certain number living on an island in Baltic Sea. Without help, says David Macdonal of Oxford University’s Wildlife Conservation Research Unit in England, the European mink is "heading for extinction (灭绝)./
Scientists think American mink has more useful fur.
A. Right.
B. Wrong
C. Doesn’t Say.

[单项选择]Once there is a threat to our water supply, water can quickly become the only thing that matters．
A. 只要水源受到威胁，水很快就会变成唯一重要的物质。
B. 供水一度出现危机，所以水很快就成了唯一紧缺的物质。
C. 供水一旦受到威胁，水很快就会成为唯一至关重要的问题。
D. 有一次水源曾遭受污染，水成了人们唯一不能很快解决的问题。

[单项选择]Officials say water levels along the Brahmaputra River still are at dangerous levels although _______.
A. they are not rising
B. they are falling
C. the rain has stopped
D. it’s clearing up

[填空题]
1 Before you argue with your boss, check with the boss’s secretary to determine his mood. If he ate nails for breakfast, it is not a good idea to ask him for something. Even without the boss’s secretary, there are keys to timing don’t approach the boss when he’s on deadline, don’t go in right before lunch, when he is apt to be distracted and rushed, don’t go in just before or after he has token a vacation.
2 If you’re mad, that will only make your boss mad. Calm down first. And don’t let a particular concern open the floodgates for all your accumulated frustration. The boss will feel that you think negatively about the company and it is hopeless trying to change your mind. Then maybe he will dismiss you.
3 Terrible disputes can result when neither the employer nor the employee knows what is the problem the other wants to discuss. Sometimes the fight will go away when the issues are made clear

[填空题] How to Get along Well with Your Boss
1．Before you argue with your boss, check with the boss’s secretary to determine his mood. If he ate nails for breakfast, it is not a good idea to ask him for something. Even without the boss’s secretary, there are keys to timing don’t approach the boss when he’s on deadllne, don’t go in right before lunch, when he is apt to be distracted and rushed, don’t go in just before or after he has token a vacation.
2．If you’re mad, that will only make your boss mad. Calm clown first. And don’t let a particular concern open the floodgates for all your accumulated frustration. The boss will feel that you think negatively about the company and it is hopeless trying to change your mind. Then maybe he will dismiss you.
3．Terrible disputes can result when neither the employer nor the employee knows what is the problem the other wants to discuss. Sometimes the fight will go away when the issues are made clear. The