疠气致病最主要的特点是：（）
A.病情重，预后差
B.高热持续不退
C.易伤津耗气
D.易扰动心神
E.传染性强
参考答案：E
用所给词的适当形式填空。
1. How many ________ (teaspoon) of sugar do you want?
2. Follow the ________ (instruction) on the packet carefully.
3. There is a lot of ________ (honey) in the glass.
4. Is there any ________ (orange) in the glass?
5. There are two ________ (cup) of tea on the table.
根据规定，注册咨询工程师(投资)个人执业专业类别划分为十五大类，每位申请注册登记的注册咨询工程师(投资)最多允许注册( )专业。
A．一个B．两个C．三个D．四个
