单项选择题

Air and water pollution are our Number One priorities regarding the current and future state of the environment．

A) 有关环境的现状和未来，空气和水污染是我们关注的首要问题。
B) 未来和现在的水污染和空气污染状况是我们关注的首要问题。
C) 由于空气和水污染，未来和现在的环境成了我们关注的首要问题。
D) 空气污染和水污染是未来和现在环境的头号杀手。
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单项选择题
From the second paragraph we know that______.
A．music sings of the country, nature and home
B．if we love music we’ll love the country, nature and home
C．we may listen to music at work or at play
D．music express how people live, work and think
单项选择题
If you are careless to have a cut on your finger, you should______.
A．put some oil on it at once
B．call for your mother quickly
C．bend it quickly and tightly
D．wash the wound with soap and water
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