【单选题】______ does your cousin do? He is a worker. [ ]
【单选题】What does your mother do ? . [ ]
C.
She is an office worker .
【简答题】结合土壤组成和特征,分析其对农药的转化所起的作用
【简答题】用机械法分离原生质体的主要缺点是: ;优点是 。
【单选题】What does the speaker say about achieving goals?
A.
It leaves the worker with a feeling of satisfaction.
B.
It gives the company greater productivity each day.
C.
It allows employees to prepare for the next task.
D.
It enables employers and employees to communicate.