下列哪些疾病常用病死率()
A.关节炎
B.消化道溃疡
C.流行性出血热
D.结核病
E.心肌梗死
参考答案：C, D, E
() the claim about German economic might, it is somewhat surprising how relatively small the German economy actually is.
A. To give
B. Given
C. Giving
D. Having given
使用万用表测量直流时，红表笔接正极，黑表笔接负极。
