题目内容
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The use of chemicals and fertilizers in farming is meant to increase ______.
A．the quantity of foods
B．the quality of foods
C．either the quantity or the quality of foods
D．the quality as well as the quantity
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更多“The use of chemicals and ferti…”相关的问题
According to the author, the use of chemicals and fertilizers______.
A．will not necessarily increase the production of foods
B．is a good way to improve the quality of foods
C．promotes the foods both in quality and in quantity
D．is no good for health
A.guiding
B.limiting
C.regulating
D.prohibiting
Farmers use chemicals and fertilizers in order to ______.
A．improve their working conditions
B．increase the yields of their crops
C．provide their crops with more vitamins and minerals
D．improve the quality of goods grown in commercial farming areas
A、development of electricity
B、the use of chemicals and automobiles
C、mass production
D、semiconductors
To produce artificial noses for practical use, it is essential______.
A．to develop microchips with thousands of odor receptors
B．to invent chips sensitive to various chemicals
C．to design a computer program to sort out smells
D．to find chemicals that can alter the electrical current passing through
In most cases, you have to use the chemicals within ______.
A．limits
B．borders
C．ranges
D．care
A．was not used in the past
B．involves the use of chemicals
C．is not liked by most people
D．is no longer used by hunter
A.reforming
B.relating
C.regulating
D.registering
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