若直线3x-4y+12=0与两坐标轴交点为A、B，则以AB为直径的圆的方程是（

阅读短文，判断正(T)误(F)。

      Look at my room. There is a desk and a chair in it. A bed is near the door. A cat is under the desk. On

the wall, there is a beautiful picture. On the floor, there is a ball. My room is small, but it's very nice!

( ) 1. I have a big room.

( ) 2. On the floor, there is a ball.

( ) 3. A desk is near the door.

( ) 4. There is a phone on the wall.

( ) 5. There is a cat under the desk.

下列图形中的“眼睛”及矫正，与矫正远视眼相符的是：[ ]

A.

B.

C.

D.

对危重症患者进行胃液pH值监测具有重要意义，对预防应激性溃疡有较好的作用的胃液pH值是（）

A.＜4.0

B.＜3.0

C.＜2.0

D.＞4.0

E.＞3.0

蒲黄的功效是（）
荆芥的功效是（）

A.炒炭用收敛止血，生用止血化瘀

B.炒炭用收敛止血，生用祛风解表

C.炒炭用凉血止血，生用清热杀虫

D.炒炭用凉血止血，生用养阴生津

E.炒炭用凉血止血，生用化瘀止血

提供单据处理主要包括单据管理、（）两部分。

A、单据录入

B、单据查询

C、单据处理