A constant supply of nutrients for dieters' body requires _________

单选题 A constant supply of nutrients for dieters' body requires __________

A．enough vitamin only
B．a variety of foods
C．a rich breakfast
D．enough food

参考答案B

解析: B。本题的解题关键是听清a constant supply ofnutrients前后的内容。文章提到，节食的人需要各种食物来保证身体所需营养持续不断的供应，故本题选B。

单选题听录音，回答以下问题：
Which day is originally the first day of a week?

A．Monday．
B．Friday．
C．Saturday．
D．Sunday．

单选题 The word "weekend" came into being in English in about __________

A．1800s
B．1850s
C．1920s
D．1930s

单选题 The speaker implies the workweek in England in early 1800s __________

A．was from Sunday to Friday
B．was from Monday to Friday
C．was from Monday to Saturday
D．was from Monday to Thursday