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【单选题】
《中国居民膳食指南（ 2016 ）》推荐各年龄段人群都运动、保持健康体重。建议成人身体活动总量至少相当于每天（ ）步。A.
6000
B.
8000
C.
10000
D.
12000
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【多选题】按照基本保障的原则，生长期农作物可以按照下列方法确定保险金额：（）。
A.
按作物区域、季节特性确定保险金额
B.
按作物生长阶段确定保险金额
C.
按生产成本确定保险金额
D.
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【多选题】Organic food: why? Today, many governments are promoting organic or natural farming methods that avoid use of pesticides and other artificial products. The aim is to show that they care about the envi...
A.
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B.
Organic food may make people ill.
C.
Farm workers have to be specially trained.
D.
It requires too much technological expertise.
E.
It is not possible in some countries.
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