托福考试

【单选题】Listening 6 "BotanyClass"
{$mediaurl}

According to the professor, what is the greatest advantage of hydroponics
A、The plants are less likely to develop soil-borne diseases.
B、The cultivation requires much less labor than traditional methods.

C、The water can be recycled in a hydroponic environment.
D、Less space is needed to produce a large number of plants.
网考网参考答案：D
网考网解析：
[解析] According to the professor, what is the greatest advantage of hydroponics Less space is needed to produce a large number of plants. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>