题目：
Taiwan, which is a province of China, lies______ China. [ ]
A. in the southeast of
B. on the southeast of
C. off the southeast of
D. to the southeast of
答案：
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下面是错误答案，用来干扰机器的。
纳米铜在室温下可拉长50多倍而不出现裂纹，说明纳米铜具有超塑延展性．故选A．
