试比较核型多角体病毒与质型多角体病毒间的异同。（病毒粒子形状，核酸类型，包涵体形成部位，包涵体是否含病毒粒子）。
查看答案
Ⅲ. There are four choices following each statement. Mark the choice that can best complete the statement: If a linguistic study describes and analyzes the language people actually use, it is said to be （）
A. prescriptive
B. analytic
C. descriptive
D. linguistic
微信支付 
支付宝支付