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更多“试利用Organic Syntheses找2－羟甲基－2－环…”相关的问题
What is the meaning of "the organic trend" as the words are used in the text？
A．Growing interest in organic food.
B．Better quality of organic food.
C．Rising market for organic food.
D．Higher prices of organic food.
Organic food differs from conventional food only in the way it is grown.
A．Y
B．N
C．NG
The term "organic farming" first appeared in 2000.
A．Y
B．N
C．NG
The use of the seal "USDA Organic" is not required.
A．Y
B．N
C．NG
Organic agriculture accounts for the biggest proportion of the American agriculture.
A．Y
B．N
C．NG
Food that is rich in organic matter_________.
A．has been nourished by fertilizers
B．contains vegetable matter that has not been consumed
C．has had chemicals and fertilizer added to it
D．contains large quantifies of vitamins
According to Scott Hahn, one big challenge to designers who will go organic is that .
A) much more time is needed to finish a dress using sustainable materials .
B) they have to create new brands for clothes made of organic materials .
C) customers have difficulty telling organic from non-organic materials .
D) quality organic replacements for synthetics are not readily available .
