. To deal with the global financial cris

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问题选择题

To deal with the global financial crisis, China ______ the international community to help developing countries.

A．called on

B．called up

C．called in

D．called for

答案

选择题

It was clear that the small grocer was _____ people he owed money to.

A．at the expense of

B．at the risk of

C．in the way of

D．at the mercy of

填空题

基孔制是指配合时，孔的尺寸不动而改变（）。