What was the important event in December 19797
A.China switched from state planning and isolationism to reform. and the open-door policy.
B.China applied to join GATT.
C.China began to negotiate with the US party in order to make the entry for GATT.
D.China decided to join the world' s principal trading body.
第9题
抑制Na+-Cl共转运子的药物是
A.乙酰唑胺
B.氢氯噻嗪
C.呋塞米
D.氨苯蝶啶
E.阿米洛利
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