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Which is the right way of listing salt content of 500 grams of bread?__________
A.sodium: 32 gram
B.sodium: 320 milligrams
C.sodium: 3.2 gram
D.sodium: 320 gram
B.sodium: 320 milligrams
C.sodium: 3.2 gram
D.sodium: 320 gram
参考答案
参考解析
解析：文章第五段开头“Each gram of salt contains four hundred milligrams of sodium．which ishow foods may list their salt content．”说明，“每克盐中含有400毫克的钠，这就是测量食物含盐量的标准。”故正确答案为B。
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共用题干
Where Has the Salt Come from?Every now and then,we meet a fact about our earth that makes us feel strange and no answer for the fact has yet been found.Such a fact is the existence of salt in the oceans. How did it get there?We simply do not know how the salt got into the ocean!We do know,of course,that salt is water-soluble,and so passes into the oceans with rainwater.The salt of the earth's surface is constantly being dissolved（溶解）and is passing into the ocean.But we do not know whether this can explain the huge quantity of salt in oceans.If all the oceans were dried up,enough salt would be left to build a wall 180 miles high and a mile thick. Such a wall would reach once around the world at the Equator（赤道）!The common salt that we all use is produced from seawater or the water of salt lakes, from salt springs（源泉）and from deposits of rock salt. The concentration（浓度）of salt in seawater ranges from about three percent to three-and-one-half percent. The Dead Sea, which covers an area of about 340 square miles,contains about 11,600,000,000 tons of salt!On the average, a gallon（加仑）of seawater contains about a quarter of a pound of salt.The beds of rock salt that are found in various parts of the world were all originally formed by the evaporation（蒸发）of seawater millions of years ago. It is believed that the thick rock-salt deposits were formed after about nine-tenth of theY volume of seawater had been evaporated.Most commercial salt is obtained from rock salt.The usual method is to drill wells（井） down to the salt beds. Pure water is pumped down（抽进去）through a pipe. The water dissolves the salt and it is forced through another pipe up to the surface.The percentage of salt content in the Red Sea is higher than that in the Dead Sea.A:Right B:Wrong C:Not mentioned
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C.blood pressures
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Say went instead of go.B
We never use at that way.C
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Who can help him with this sentence?
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All right.B
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Just a few.D
Let me see.
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