试题题干
President（ ）visited China in 1972, which led to the establishment of diplomatic relations between China and the US.
参考答案
正确答案：
试题解析
In February 1972, President Nixon visited China and met Chairman Mao Zedong and the two countries issued the Shanghai Communique. The visit ended twenty-three years of hostility and led to the establishment of diplomatic relations between China and the US. 1972年2月，尼克松总统访问中国，会见了毛主席，两国发表了上海公报。这次访问结束了23年的敌对状态，使得中美两国建立了外交关系。答案为A。