果菜类蔬菜的根系粗且多,叶菜类和根菜类的根系较小。
查看答案
双子叶植物多为须根系,单子叶植物多为直根系。
A. 对
B. 错
What job is considered as the engineer of humansoul?
A. Teacher
B. Doctor
C. Actor
D. Lawyer
Which of the following sentences is doctor’s job description?
A. Correct students’assignments.
B. Diagnose and cure diseases.
C. Drive a car.
D. Help clients invest stock market.
What profession is considered as angels in white?
A. Teacher
B. Doctor
C. Driver
D. Lawyer
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