赞题库-背景图
单项选择题

Questions 16 to 18 are based on the passage you have just heard.



A．They were found quite nutritious.
B．There were serious food shortages.
C．People discovered their medicinal value.
D．Farm machines helped lower their prices.
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热门试题

单项选择题A．Purchase some business suits.B．Learn some computer language.C．Improve his programming skills.D．Review some accountancy terms.

A．Purchase some business suits.
B．Learn some computer language.
C．Improve his programming skills.
D．Review some accountancy terms.

单项选择题A．They turned from white to purple in color.B．They became popular on the world market.C．They became an important food for humans.D．They began to look like modern-day carrots.

A．They turned from white to purple in color.
B．They became popular on the world market.
C．They became an important food for humans.
D．They began to look like modern-day carrots.