The US economy is expected to slide 1 percent this year, while Japan’s is forecast to drop by about 0.3 percent. So this year will see China making an increased to the worldA.promiseB.decisionC.preparationD.contribution
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D解析考查固定短语搭配。make a contribution to有助于，对…作出贡献。make a decision作出决定。make preparation for为…作准备。make promise作出诺言，保证。