更多"For ten years the problem about the"的相关试题:
[单项选择]For ten years the problem about the water has not been solved, we came to think that it has been a ______ problem in this area.
A. perpetual
B. persuasive
C. picturesque
D. possessive
[单项选择]What is the problem being talked about for years in America
A. Leaders of political parties.
B. Reforms of social security.
C. Security of American citizens.
D. Improvement of the health security.
[单项选择]He has ______ for about ten years.
[单项选择]How do students find out about water pollution
A. They consult pollution experts.
B. They collect water samples.
C. They conduct species surveys.
D. They read books on pollution.
[单项选择]Be suspicious about water from other sources, such as ponds, streams, wells, tanks, water trucks or public standpipes.
A. brave
B. doubtful
C. quiet
D. careful
[单项选择]The abuse of water resources has seriously __________ the existence of human beings.
A. jeopardized
B. intimidated
C. assaulted
D. ventilated
[单项选择]Be {{U}}suspicious{{/U}} about water from other sources, such as ponds, streams, wells, tanks, water trucks or public standpipes.
A. brave
B. doubtful
C. quiet
D. careful
[单项选择]She has been in Tianjin for ten years. Tianjin has become her second ______.
[单项选择]The orchestra（）for about ten minutes when a man in the audience suddenly began shouting.
A. was playing
B. had been played
C. had been playing
D. was played
[单项选择]Running water has been a very important source of power for thousands of years（）
A. 自来水是力量的重要来源，它已有几千年的历史了。
B. 流水作为动力的重要来源已有好几千年了。
C. 几千年来流水是动力的重要来源。
D. 运动的水作为动力的主要源泉已有几千年了。
[单项选择]The drinking water has became (contaminated) with lead.
A. polluted
B. treated
C. tested
D. corrupted
