单项选择题

Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
What can be learned about glyphosate

A．It’s very environmentally friendly.
B．It can control weeds completely.
C．It is more poisonous to the soil.
D．It should be better use

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单项选择题

单项选择题

Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. What can be learned about glyphosate 您的浏览器不支持 audio 元素。