题目内容

Chickens kept in this way are not only tasteless as food, they also produce eggs which ______.

A. lack important fibres
B. lack important protein
C. lack important minerals
D. lack important vitamins

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Recently, some people are interested in natural foods because ______.

A. these foods are fresh and sweet
B. they want to change their eating habits
C. these foods do not contain chemical additives and have not been affected by chemical fertilizers
D. they don't like the processed foods

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对我国《环境保护法》中关于“污染者付费”理解不正确的是( )。

A. 污染者必须承担治理污染，保护环境的责任
B. 付费即可免去责任
C. 谁污染，谁治理
D. 谁开发，谁保护

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In the battery farm the chickens are fed on food which ______.

A. is good in quality
B. is bad in quality
C. is a natural food
D. is a kind of rubbish

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强回声常伴声影，以下哪些不是伴声影的强回声

A. 血管壁
B. 胆结石
C. 骨骼表面
D. 软组织
E. 充气肺的胸膜——肺邻近处

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Chickens kept in this way are not only tasteless as food, they also produce eggs which ______.

A. lack important fibres B. lack important protein C. lack important minerals D. lack important vitamins

Recently, some people are interested in natural foods because ______.

对我国《环境保护法》中关于“污染者付费”理解不正确的是( )。

In the battery farm the chickens are fed on food which ______.

强回声常伴声影，以下哪些不是伴声影的强回声

A. lack important fibres
B. lack important protein
C. lack important minerals
D. lack important vitamins