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不属于跗骨的是
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1.Studies_____that children who often take part in cooperative programs benefit a lot more than other children.2.They are such a(n)_____family – they must have been shocked when their son dyed (染) his hair pink.3.Testing students by examinations has long been regarded as a reliable way to_____students' ability.4.Many power stations have been modernized to give off less pollution, or they were moved further away from the living areas in order to_____the damage.5.Unemployment has come down slightly, but this does not_____the fact that it is still a major problem.6.Mr. Smith is not doing well; the doctor told us that several colds_____his health.7.The best way to deal with problems at home is to talk things out calmly and honestly and try to reach a(n) _____8.Darwin's theory of evolution remains_____partly because it challenges the religious belief that God created man.9.It was reported the president had_____to fight if war was necessary, even if it meant destroying his chances of re-election.10.I had to_____one of my email accounts as it was filled with junk mail.
在原电池中，电子通过盐桥流动。
在Cu－Zn原电池中，盐桥中的电解质维持两个半电池中的电荷平衡
在原电池中，盐桥中的电解质不参与电池反应。
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