脑囊虫常见的临床基本类型为（） A.脑头质型 B.蛛网膜型 C.脑室型 D.脑干型

根据句意及首字母提示补全单词

1. Kangkang's father is a doctor. He is very busy right now. He is e_______ the patients.

2. —Would you m_______ lending your dictionary to me?

    —Not at all. Here you are.

3. Tom, staying up late is bad for your h_______, so go to bed early next time.

4. I'm feeling t_______. I cough day and night.

5. We should try to i_______ our environment.

既可能造成损失也可能创造收益的风险为( )。

A．纯风险

B．投机风险

C．基本风险

D．特殊风险

数据元素之间 【5】 的整体称为逻辑结构。

与电感三端式振荡电路比较，电容三端振荡器的优点是输出波形较好。

燃烧炉如何停炉？