关于胃排空的叙述，正确的是（ ）。A．食物入胃后30分钟开始 B．大块食物排空快

请认真阅读下面的对话, 并根据各题 所给的首字母提示, 在标有题号的横线上, 写出一个英语单词的 完整、正确形式, 使对话通顺.

K= Karen

S= Selina

K: You're late again.

S: Sorry, but there was a traffic j  l  .

K: It's always the same excuse. Try to think of something better next time.

S: But I'm telling the truth ! There was an a  2   in the cross-harbor tunnel. I don't think anyone

    was hurt but it t   3  the police over an hour to clear it. Anyway, how are you? You look a bit tired.

K: Well, actually, I've been q   4     with my grandmother again. I feel sad because if things go w    5     ,

     she blames me , even though it's not my fault.

S : What did your grandma say?

K : Her favorite expression is " Young people are not as well behaved as they u  6   to be. "

      She always complains that I don't show her enough r  7  .

S: Well, try and understand her. She can't do all the things she did w    8     she was young. It must

     be very frustrating. Just think , one day we'll be old…

K:You're right. I should be more u  9  . l think I'll buy her a present and apologize.

S : Right. Now you are feeling a bit better,it's your turn to help me. Could you give me a hand 

     with my maths homework?

K: Maths again! Okay,but can we find some where to e  10  first? I'm starving !

龈上洁治术正确的操作应是

A．改良握笔式执持器械

B．支点松弛远离术区

C．洁治器的刃部多放在牙石中部

D．层层刮削牙石

E．用力方向向根方

FOCKE350小盒包装机开机前，打开主电源及压缩空气后打开（），并检查电热烙铁温度设定值。

矿体地质研究的中心问题是（），它具体包括（）、（）及（）三个方面。这三个方面是从勘查角度研究矿体地质的基本内容。

在接班时由（）打电话向队里汇报交接情况。

A.交班人员

B.接班人员

C.交接双方

D.跟班副队