[单项选择] B
Pollution (污染)

Hundreds of years ago, life was much harder than it is today. People didn’t have modern machines. There was no modem medicine, either.
Life today has brought new problems. The biggest one is pollution. Water pollution has made our rivers and lakes dirty. It kills our fish and pollutes our drinking water. Noise pollution makes us talk louder and become angry more easily. Air pollution is the most serious kind of pollution. That’s bad to all living things in the world.
Cars, planes and factories all pollute our air every day. Sometimes the polluted air is so thick that it is like a quilt (被子) over a city. This kind of quilt is called smog (烟雾).
Many countries are making rules to fight pollution. Factories must now clean their water before it is thrown sway. They mustn’t blow dirty into the air.
We need to do many other things. We can put wast
A. Noise pollution
B. Air pollution
C. Water pollution

[单项选择] B
Pollution (污染)

Hundreds of years ago, life was much harder than it is today. People didn’t have modern machines. There was no modem medicine, either.
Life today has brought new problems. The biggest one is pollution. Water pollution has made our rivers and lakes dirty. It kills our fish and pollutes our drinking water. Noise pollution makes us talk louder and become angry more easily. Air pollution is the most serious kind of pollution. That’s bad to all living things in the world.
Cars, planes and factories all pollute our air every day. Sometimes the polluted air is so thick that it is like a quilt (被子) over a city. This kind of quilt is called smog (烟雾).
Many countries are making rules to fight pollution. Factories must now clean their water before it is thrown sway. They mustn’t blow dirty into the air.
We need to do many other things. We can put wast
A. Pollution
B. Air pollution
C. Noise

[单项选择]B
Pollution (污染)
Hundreds of years ago, life was much harder than it is today. People didn’t have modern machines. There was no modem medicine, either.
Life today has brought new problems. The biggest one is pollution. Water pollution has made our rivers and lakes dirty. It kills our fish and pollutes our drinking water. Noise pollution makes us talk louder and become angry more easily. Air pollution is the most serious kind of pollution. That’s bad to all living things in the world.
Cars, planes and factories all pollute our air every day. Sometimes the polluted air is so thick that it is like a quilt (被子) over a city. This kind of quilt is called smog (烟雾).
Many countries are making rules to fight pollution. Factories must now clean their water before it is thrown sway. They mustn’t blow dirty into the air.
We need to do many other things. We can put waste things in the dustbin (垃圾箱) and not
A. there were not any modem machines
B. there was no modem medicine
C. there were neither modem machines nor modem medicine

[单项选择]B
Pollution (污染)
Hundreds of years ago, life was much harder than it is today. People didn’t have modern machines. There was no modem medicine, either.
Life today has brought new problems. The biggest one is pollution. Water pollution has made our rivers and lakes dirty. It kills our fish and pollutes our drinking water. Noise pollution makes us talk louder and become angry more easily. Air pollution is the most serious kind of pollution. That’s bad to all living things in the world.
Cars, planes and factories all pollute our air every day. Sometimes the polluted air is so thick that it is like a quilt (被子) over a city. This kind of quilt is called smog (烟雾).
Many countries are making rules to fight pollution. Factories must now clean their water before it is thrown sway. They mustn’t blow dirty into the air.
We need to do many other things. We can put waste things in the dustbin (垃圾箱) and not throw it on
A. there were not any modem machines
B. there was no modem medicine
C. there were neither modem machines nor modem medicine

[单项选择]A. Five years ago. B. Four years ago.
C. Six years ago. D. Not long ago.

[单项选择]A. 20 years ago. B. I’m 20 years old.
C. It doesn’t matter. D. When I am twenty.

[单项选择]A. Three years ago. B. For three years.
C. Maybe in three years. D. No, only three years.

[单项选择]A．It went out of use 300 years ago.
B．It was invented after the short bow.
C．It was discovered before fire and the wheel.
D．It is still in use today.

[填空题]

A. She dies 2 years ago.
B. In 1997.
C. Neither.
D. Yes, but only a little.
E. To take dancing lessons.
F. Since last year.
G. Quite often.
H. It’s wonderful.

Henry: Which do you prefer, a pear or a banana
Alice: ______