C4 Unit 4 Measures to alleviate water problems 4.2

1. Drought can be alleviated by ___________ water supply and ___________ water demand.

• A. increasing; reducing

• B. reducing; increasing

2. Which of the following CANNOT help increase water supply in China?

• A. Build reservoirs

• B. Reduce water pollution

• C. Induce rainfall by advanced technologies

• D. Raise water prices

3. Which of the following helps reduce water pollution?

• A. Open new wells

• B. Implement ‘South-North Water Transfer Project’

• C. Build sewage treatment facilities

• D. Construct dams

4. ___________ reduces water evaporation by covering the soil with plastic sheets.

• A. Mulching

• B. Drip irrigation

• C. Fallowing

• D. Greenhouse

5. Which of the following helps reduce water consumption from industrial sector?

• A. Education campaigns

• B. Water recycling facilities

• C. Cloud seeding

• D. Large-scale water projects