Pesticide is a kind of ________ medicine for human.
Pesticide is a kind of ________ medicine for human.
种间竞争：__________ competition A: interspecific B: parasitic C: pesticide D: zone
种间竞争：__________ competition A: interspecific B: parasitic C: pesticide D: zone
请根据中文意思选择单词。杀虫剂 A: suicide B: pesticide C: fertiliser
请根据中文意思选择单词。杀虫剂 A: suicide B: pesticide C: fertiliser
According to the textbook, the latest technology that farmers have adopted is ______. A: artificial fertilizers B: pesticide C: tractors D: computers
According to the textbook, the latest technology that farmers have adopted is ______. A: artificial fertilizers B: pesticide C: tractors D: computers
_________ is usually mounted on the front of the engine and turns whenever the engine running. A: water pump B: pesticide C: aquaculture D: cultivate
_________ is usually mounted on the front of the engine and turns whenever the engine running. A: water pump B: pesticide C: aquaculture D: cultivate
DDT was once used as a pesticide to permanently obliterate all insects. Now, DDT has become ineffective and is no longer used as a pesticide. Why were the populations of insects able to survive applications of DDT?
DDT was once used as a pesticide to permanently obliterate all insects. Now, DDT has become ineffective and is no longer used as a pesticide. Why were the populations of insects able to survive applications of DDT?
According to a study, Chinese farmers growing rice that has been genetically ___________ to enhance insect resistance reduced their pesticide use by 80 percent. In addition, the genetically modified (GM) rice seed boosted crop production by almost 10 percent. A: diminished B: allergic C: modified D: traits
According to a study, Chinese farmers growing rice that has been genetically ___________ to enhance insect resistance reduced their pesticide use by 80 percent. In addition, the genetically modified (GM) rice seed boosted crop production by almost 10 percent. A: diminished B: allergic C: modified D: traits
By the mid-1980s, farmers in Denmark（） A: used 50 per cent less fertiliser than Dutch farmers. B: used twice as much fertiliser as they had in 1960. C: applied fertiliser much more frequently than in 1960. D: more than doubled the amount of pesticide they used in just 3 years.
By the mid-1980s, farmers in Denmark（） A: used 50 per cent less fertiliser than Dutch farmers. B: used twice as much fertiliser as they had in 1960. C: applied fertiliser much more frequently than in 1960. D: more than doubled the amount of pesticide they used in just 3 years.
Why are production units at the farm<br/>level encouraged by Chinese government ? () A: Enable farmers to coordinate food<br/>production B: Enable farmers to sell their<br/>products to large retailers directly C: Provide farmers with safe pesticides<br/>and guidelines on pesticide application D: Allow greater traceability and<br/>facilitate the spot-checking for regulators
Why are production units at the farm<br/>level encouraged by Chinese government ? () A: Enable farmers to coordinate food<br/>production B: Enable farmers to sell their<br/>products to large retailers directly C: Provide farmers with safe pesticides<br/>and guidelines on pesticide application D: Allow greater traceability and<br/>facilitate the spot-checking for regulators
_________是我国使用最多、最广泛的杀虫剂，主要包括敌敌畏、对硫磷（1605）、甲拌磷（3911）、内吸磷（1059）、乐果、敌百虫、马拉硫磷（4049）等。 A: 有机磷农药（Organophosphorus pesticide） B: 有机硫农药 C: 有机氯农药 D: 有机硼农药
_________是我国使用最多、最广泛的杀虫剂，主要包括敌敌畏、对硫磷（1605）、甲拌磷（3911）、内吸磷（1059）、乐果、敌百虫、马拉硫磷（4049）等。 A: 有机磷农药（Organophosphorus pesticide） B: 有机硫农药 C: 有机氯农药 D: 有机硼农药