Some researches have proved that water quality ____ due to too many dams and pumps in some areas.
| A．has been declined | B．is being declined |
| C．is declining | D．had been declining |
相关试题
We have strong __________ for believing that the mine accident in Heilongjiang was due to the poor management.
| A．grounds | B．reason | C．cause | D．purpose |
Many teens don’t have enough sleep because they have too much homework, which ______ them up at night.
| A．makes | B．stays | C．turns | D．keeps |
Food safety is ______ important, so the government spares no efforts to prevent food pollution.
| A．strongly | B．reasonably | C．highly | D．naturally |
—May I try the jacket on?
—______，but I think it will be too small for you.
| A．As you like | B．By all means | C．As a result | D．Believe it or not |
on time, _______she?相关知识点
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