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问题 名词解释

四音音阶

答案

参考答案：

古希腊音阶的基础是四音音阶。它自上而下排列，两端的音构成固定的四度音程，中间的音程可以变化，从而形成三种不同的四音音阶：自然音的Mi—Re—Do—Si半音的Mi一#DO—Do—Si等音的Mi一Do一↓Do—Si

填空题



After its (1) to the (2) in 2001, China has taken steps towards opening up its (3) . As a condition for joining the WTO, China (4) itself to a (5) of trade liberalization, including the reduction of tariffs on cars and agricultural products. These tariffs reductions are both (6) and there is (7) for China to (8) at a faster pace.
A (9) of (10) and a more rapid and profound reduction of import tariffs would (11) of those Chinese consumers who would (12) imported products at lower prices. Second, a higher (13) into China would take away much upward pressure on the Renminbi and provide a true and lasting (14) to solving current global (15) . Indeed, even a modest (16) in the opening-up process would go a long way towards solving the problem.
The opening up of China’s markets to international competition should (17) deep reforms. Banks should be recapitalized, bad loans provisioned fully and state-owned companies’ runaway indebtedness (18) . Only when real progress in these areas is made should China begin to consider a reform to its (19) . Doing it any earlier would be highly (20) .
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选择题

1gCO2含有CO2分子a个，则阿伏加德罗常数的数值可表示为

A．22a

B．28a

C．44a

D．88a
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