The layout of regional crops and unit crops are fixed for a long time.
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举一反三
- 3.____for a long time, most of the crops in this area died from lacking water. A: Being no rain B: There was no rain C: To be no rain D: There being no rain
- Water use efficiency refers to the ability of crops to produce biomass per unit of water discharged.
- As a title, " are transgenic crops safe" should be "Are Transgenic Crops Safe?"
- Which<br/>of the following crops are cross-pollinated crops () A: Rice B: Wheat C: Corn D: Rye
- Crops were damaged by the _________ .
内容
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The crops are nearly ruined by the _____________ rain.
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The area of biotech crops in 2017 in _______________.
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The reproduction method of the following crops is different from the other three crops (). A: Wheat B: Rice C: Sorghum D: Peas
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中国大学MOOC: For the topic of Genetically Modified Crops: food or poison, what is the problem with the specific purpose statement “genetically modified crops”?
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These crops are extremely ______ to clim...r the local farmers.