单项选择题

The author advises consumers to______.

A．look for foods with such words as "certified organically grown"
B．grow their own food without synthetic chemicals
C．buy foods from a seller they often deal with
D．make sure the foods are pesticide free before buying them

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热门试题

单项选择题

What is considered to be the most important ingredient that makes a horror story

A．Irrationality.
B．Melancholy.
C．Uncertainty.
D．Suspension.

单项选择题

Which one is not the characteristics of honor story

A．darkness, ominous solitude and uncertainty, and they are easy to understand
B．a deep feeling of melancholy
C．foreboding calm, apprehension
D．violence