You are to match the number of each question to the correct paragraph. Each paragraph may be used once only.
The author’s little daughter got angry at him for not turning off the faucet quickly enough when they brushed teeth.
Para.1
Water will probably become the most important and disputed resource in the 21st century and may even cause conflicts between countries.
Para.3
Water is a complicated resource because we can’t replace it and it is closely related to many parts of society.
Para.7
President Kennedy thought getting cheap freshwater from saltwater would be a very great scientific success for humans.
Para.9
We need to save water actively to win time for inventors to find ways to solve the water problem.
Para.10
According to P1-P2: Why did the daughter get angry with her father one night in 2007?
He forgot to help her brush her teeth.
He didn’t turn off the faucet quickly enough.
He wasted time talking with the scientists.
He refused to rinse the area after defining the brushes.
According to P1-P2:The author thinks the daughter’s statement is wrong because she was too young.
What is the closest meaning of the word contentious in Paragraph 3?
Unimportant and easily ignored
Widely accepted and praised by people
Extremely precious and hard to obtain
Likely to cause disagreement or argument
According to Richard Smalley’s lecture, which problem is ranked the most important for humanity in the next 50 years?
Water
Food
Energy
Poverty
According to Paragraph 6, the new energy era is approaching with the falling prices of solar power and the upcoming boom of distributed generation.
Paragraph 7 states that water is less complicated than energy because it has no alternatives in human society.
Why haven’t we found an economical and energy-efficient way to turn saltwater into freshwater yet?
Because the moon-shot program took up all our innovation resources
Because desalination is completely impossible in terms of technology
Because research budgets have focused more on energy, defense and health
Because people prefer to search for water on Mars rather than on Earth