展销会是展览会的一种,是以()和批发定货为主要目的的一种展览会。
A、零售
B、展览
C、展销
D、展示
参考答案:A
诊断室性心动过速最有利的证据是()
A.QRS波群宽大畸形
B.心率140~200次/分
C.QRS时限>0.12秒
D.房室分离且心室率快于心房率
E.节律轻度不齐
用括号内所给单词的适当形式填空。
1. This kink of the fruits ______(taste) very sweet.
2. I want to ask him ______(have) a look at the book.
3. You must ______(finish) doing your home work.
4. What is he ______(make)?
5. Li Ming is going there ______(meet) his a friend.