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【简答题】
地球上的气态、液态和固态三种形式存在于空气中、地表和地下，形成()、()、()和()四种类型。
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【简答题】For European governments, ______ in the hands of the strongest universities and allowing them to generate revenue are important ways to grow vigorously.
【单选题】According to passage, which of the following are governments most worried about?
A.
The diseases and disability of older people.
B.
The longer life and good health of people.
C.
The loss of taxes on older people.
D.
The increasing respect for older people.
【单选题】听力原文： The majority of Australia state and central governments have signed a deal to safeguard the country's water resources. A multi-million dollar scheme to revive one of its most important river bas...
A.
Crisis in Australia.
B.
Excessive irrigation in Australia.
C.
Lack of rain in Australia.
D.
Water shortage in Australia.
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