故选G。 2. C 【解析】根据空后“Tomatoes produce chemicals(化 学物质)called volatile organic compounds(VOCs,挥发 性有机化合物) to‘talk’ with each other."可知此处 介绍西红柿是如何“说话”的,所以备选项C “西红柿 是怎么样彼此交谈的”符合语境,是本段的中心句。 故选C。 3. D 【解析】根据...
Bargar, Lesley
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without being limited to local produce. the development of the logistics industry has made it easy for people to taste specialties from all over the country. there is no doubt that the improvement of food quality and di...
Even the weight of a chicken can determine what retailers sell or choose not to. The standard chicken size, for example, is 1.2kg. But “there’ll be situations where they’re just not the weight that’s stated” — either undersized or oversized. ...
Answer to: Fill in the blank: The hormone ___ released by the duodenum causes gastric motility to decrease when fats are...
home builders can now use materials-such as paints that release significantly _78_ amounts of organic compounds -that don't 79 the quality of the air, water, or soil. ultimately. 80_, our basic design strategy is focused not simply on being "less bad" but on creating 81 healthful materi...
The former means no illness or injury, while the latter is concerned with freedom from (4)___, misfortunes, etc. These needs can be met through a variety of means, e.g. job security, (5)___ plans, and safe working conditions.? Social...
We've blogged about organic vs. conventional produce several times, but before opening your wallet, read Allison Aaron's fresh perspective on buying organic.One organic apple $1.50; one organic avocado $3.00, ½ pint organic raspberries $5.00, 1 head of organic cauliflower $6.00. I think ...
In which process, does an organism produce another organism like itself? What is it called when animals feed on flesh and plants? What is the name given to organisms that can make their own food and thus sustain themselves without consuming organic molecules derived from other organisms? W...