影响循环时井内压力变化的主要因素是循环摩阻,摩阻的方向总是与流体流动方向()。
A、相反
B、相同
C、无关
参考答案:A
补全对话,每空一词。
A: 1 me, where is the nearest hospital, please?
B: Well, go 2 this street and 3 the third turning 4 the right,
and you'll find a hospital on the left side of the street. It's between a police
station and a bookshop.
A: How 5 is it from here?
B: It's four kilometres 6 . You'd better 7 a bus.
A: Which 8 do I 9 to take?
B: You need a No.9.
A: Thanks a lot.
B: You're 10 .
1.______2.______3.______4.______5.______
6.______7.______8.______9.______10.______
血瘀所致妇科病症,常用活血化瘀法,此法常与哪种方法相佐使用
A.温阳法B.补血法C.疏肝法D.消癥法E.行气法