瘀血内停型腹痛宜选方（）
A.血府逐瘀汤
B.少腹逐瘀汤
C.复元活血汤
D.失笑散
E.桃红四物汤
参考答案：B
________ its high pace, city life still attracts more and more people to move into the city. [ ]
A. Despite
B. Due to
C. Besides
D. If only
在打开油气层后，提高钻井液密度时应均匀，一般每循环周提高不大于（）g/cm3。
A、0.01-0.02
B、0.02-0.03
C、0.03-0.04
D、0.04-0.05
