充水试验应采用淡水,水温不应()
A.高于5℃
B.高于4℃
C.低于4℃
D.低于5℃
参考答案:D
A park will be built ________ those who died in the big natural disaster in the city.
A.in favor of
B.in face of
C.in honour of
D.in search of
在秦朝之前,各朝代军队较为单一,一个国家通常只有一支国家军队。