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问题
判断题
B型超声检查中晚期双胎的诊断准确率达100%。
答案
参考答案:
对
选择题
Recently my father bought a Chinese painting, ____ was very reasonable.
A. the price of whose
B. which price
C. the price of which
D. it price
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单项选择题
系统性红斑狼疮(SLE)的发病与下列哪项无关()。
A.遗传因素
B.雌激素
C.病毒感染
D.败血症
E.紫外线
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