下列哪种耳病最适宜作咽鼓管吹张（）。
A.急性外耳道炎
B.分泌性中耳炎
C.急性化脓性中耳炎
D.慢性化脓性中耳炎
E.鼓室疤痕
参考答案：B
小医生，下列各句均有一处错误，请找出并改正。
1. I Would like seeing them too.
_________________________
2. Thank you for to help me.
3. Look at the clouds. It rains.
4. We are going on a trip if it won't rain tomorrow.
5. Who have the biggest banana?
6. Do they free this Saturday?
商业银行存放在中央银行，主要用于支付清算、头寸调拨或者作为资产运用的备用资金，称之为( )。
A．法定存款准备金
B．超额存款准备金
C．备用性存款
D．在中央银行存款
