【判断题】中国居民平衡膳食宝塔是按照平衡膳食的原则,在不考虑烹饪用油盐的前提下,描述一个人一餐中膳食的食物组成和大致比例。( )
【单选题】Which of the following represents the author's view about the American culture?
A.
The fast pace produces nothing but ulcers and high blood pressure.
B.
It is not clearly told in the passage.
C.
The fast pace permits technological and scientific progress which benefits all people.
D.
He is not quite sure whether the American culture is agreeable.
【单选题】Which one of following is polite in western culture?( )
A.
Throwing paper on the ground
C.
Spitting in the street
D.
Waiting bus in a queue
【多选题】下列不确定因素中属于客观概率分析的所使用的基础数据的是( )
【判断题】平衡膳食是指:由多种食物组成、能满足人体各种营养所需的食物。( )
【单选题】鱼类是否能进行人工繁殖主要取决于( )。