A-A+
How did the military assist in the investigati
问题详情
How did the military assist in the investigation of health problems？
A．By registering annual birth and death rates.
B．By experiments different building materials.
C．By maintaining records of diseases and potential causes.
D．By monitoring the soldiers" diets.
参考答案
正确答案：C
解析：细节推理题。根据第三段第三句话，从各地区来的官方文件中都包含许多可使整个军队瘫痪的疾病报告。排除掉A)，B)，D)三选项后，只有C)符合此意。所以本题答案为C)。
