1 . 选词填空
current; currently
1. These areas are ________facing severe problems.
2. So what is the problem with the ________solutions?

2 . 选词填空
survive;survival
1. We need food and water for ________.
2. We cannot ________for long without food and water.

3 . 选词填空
organise; organiser; organisation
1. A good ________ pays attention to detail.
2. He’s the president of a large international ________.
3. Modern computers can ________ large amounts of data very quickly.

4 . 选词填空
found; founder; foundation
1. He is one of the ________of the institute.
2. The town ________by English settlers in 1790.
3. He laid the ________of his success by study and hard work.

5 . 选词填空pollute; pollution; pollutant
1. We should not ________our rivers with waste.
2. Waste water from the factory is the main cause of the ________of local rivers.
3. PM affects more people than any other ________.

6 . 选词填空annual;annually
1. They celebrate their wedding anniversary ________.
2. I’m playing in the ________school concert next Friday.

7 . 选词填空contain;container
1. Does each cup ________the same amount of milk?
2. He has some ________in which fish are stored and sold.

8 . 选词填空official;officially
1. The new church was ________opened on May 5th.
2. English is also one of the ________languages of Canada.

9 . 选词填空percent;percentage
1. Twenty ________of the products are exported.
2. What ________of the earth is covered by oceans?

10 . 选词填空
firm;firmly
1. He is ________under the belief that there is life after death.
2. Because of their pleasant personality, they had soon formed a ________friendship.