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检索钙（calcium）用于食品（food）或者饲料（feed）的添加剂（additive）的英文信息，检索式是：calcium and food or feed and additive
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我们从特供商场购买食品，并加强对所购食品的检查A.We’ll buy all the food from supermarket and check all the food we buy carefullyB.We’ll buy all the food from foreign countries and check all the food we buy carefullyC.We’ll import all the food and check all the food we buy carefullyD.We’ll buy all the food from exclusive shops and check all the food we buy carefully
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Which kind of food is recommended to prevent heart disease, cancer, diabetes, high blood pressure, stroke, and weak bones?[A] Calcium-rich food.[B] Plant-based and starchy staples food.[C] High-fat, high-calorie food[D] Vitamin D-rich food.
考题
Which of the following statements is NOT true?[A] Today you can get calcium without eating any high-fat or high-calorie food by choosing skim milk or low-fat yogurt.[B] Calcium plays an important role in the movement of protein and nutrients inside cells.[C] You can rely on pills instead of a calcium-rich diet to take enough calcium.[D] If you want to absorb calcium, you should expose yourself to the sun's rays.
考题
检索钙(calcium)用于食品(food)或者饲料(feed)的添加剂(additive)的英文信息,检索式是:calciumandfoodorfeedandadditive。()
此题为判断题(对，错)。
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An additive used to improve the ability of a lube oil to reduce friction is known as a/anA.suppressant additiveB.dispersant additiveC.extreme pressure additiveD.viscosity improver additive
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HFAC是Umestone Injection into Furnace and Activation of Calcium Oxide的英文缩写，是一种炉内喷钙和炉后活化增湿联合的脱硫工艺。
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以下关于百度信息流动态商品广告（FeedDPA）与百度信息流的相关描述，错误的是（）A、Feed DPA与信息流相比拥有更丰富的商品管理（商品检索、匹配及触发）技术经验B、Feed DPA与信息流相比具备更多的定向维度及方式C、信息流与Feed DPA相比拥有更丰富的媒体及流量资源D、Feed DPA与信息流相比更专注于多商品广告主的商品推广需求
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百度信息流动态商品广告与百度信息流的不同之处（）A、Feed DPA专注于多商品广告主的商品推广需求B、Feed DPA拥有丰富的商品管理（商品检索、匹配及触发）技术经验C、Feed DPA具备更多的定向维度及方式D、以上全对
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单选题The most common cause of scale formation in an auxiliary boiler is （）A
concentrations of calcium sulfate in the boiler waterB
fuel oil in the feed waterC
improper treatment of the feed water with calcium sulfateD
excessive feed water alkalinity
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单选题Why does life on earth depend much on the oceans?A
Sea plants produce most of the oxygen in the atmosphere.B
Carbon dioxide is converted into oxygen in oceans.C
The oceans provide an invaluable food resource.D
Productivity of fisheries can feed 80 million people.
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判断题检索钙（calcium）用于食品（food）或者饲料（feed）的添加剂（additive）的英文信息，检索式是：calcium and food or feed and additiveA
对B
错
考题
单选题—How often do I need to feed the dog?—It ______ food every day, or it will be hungry.A
must giveB
must be giveC
must be givenD
must be gave
考题
单选题An additive used to improve the ability of a lube oil to reduce friction is known as a/an （）.A
suppressant additiveB
dispersant additiveC
extreme pressure additiveD
viscosity improver additive
考题
填空题要用搜索引擎检索中英文的简历，最佳的检索式是（）
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