How has science done a disservice to mankind? What are nitrates used for?

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问题 How has science done a disservice to mankind?
What are nitrates used for?

选项 A、They preserve flavor in packaged foods.
B、They preserve the color of meats.
C、They are the objects of research.
D、They cause the animals to become fatter.

答案B

解析

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英语

成考专升本

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How has science done a disservice to mankind? What are nitrates used for?

英语

成考专升本

ThebabywassenttoahospitalinLondonbecause______.Fromthispassageitseemsthatthebaby’sillnesshadsomethingtod

Shelookedeverywhereforherbookbut______hadtoreturnhomewithoutit.

WhydidStanleyWilliamswriteanti-gangbooks?WhichofthefollowingwouldWilliamswanttobehislegacy?

Somepeoplethinkthemoreexpensiveaproductis,thebetteritwillbe.（但事实并非如此）.

Whilemakingtremendousachievementsatcollege,Asian-Americanstudents______.FewAsian-Americanstudentsmajorinhumansci

IntheUnitedStates,teachingisveryimportant.Ifteachersdonotteachwell,studentscomplain.Ifmanystudentsdonotunde

Itwasanegg______mymotherthrewattheMinisterofEducationyesterday.

I______seeingyouallagainnextterm.

Somemetalsarebetterconductorsofelectricitythanothers,______meansthattheformerhasatomsthatcontainmorefreeelect

节目生产的最后一个环节是()

"H"译成中文的正确含义是选择合适的注射部位是

补阳还五汤中重用黄芪的意义是

未经批准擅自开办医疗机构行医的人员承担的法律责任中不包括

患者女性，63岁，因支气管扩张合并肺部感染、左心心力衰竭入院治疗，入院时T39℃，呼吸急促，端坐呼吸。医嘱吸氧，以改善患者呼吸状况，吸人氧流量应维持

基金N与基金M具有相同的标准差，基金N的平均收益率是基金M的两倍，基金N的夏普指数()。

公安机关的权力是一种国家权力，反映国家意志。()

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影响教育实验内在效度的因素有哪些?

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