题目内容
（请给出正确答案）
Where was the salt placed when the king had his dinner？
A．On the king's seat.
B．In front of the king.
C．A long way from the important guests.
D．In front of everyone.
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更多“Where was the salt placed when the king had his dinner？A．On the king's seat.B．In front of”相关的问题
A. where
B. nowhere
C. everywhere
D. wherever
A.content
B.body .
C.substance
D.weightiness
Where was the salt placed when the king had his dinner？
A．In front of the king.
B．In front of important guests.
C．In the middle of the table.
D．Away from important guests.
Where was the salt placed when the king had his dinner？
A．On the king's seat.
B．In front of the king.
C．A long way from the important guests.
D．In front of everyone.
A．Labs with massive detector,
B．Enclosed volcanic caves.
C．Vacuum cabins.
D．Shallow salt lake.
A.crash
B.a erash
C.crashed
D.crashing
请阅读短文，完成第题。
When we analyze the salt salinity（盐溶度 ） of ocean waters， we find that it varies only slightly from place to place. Nevertheless， some of these small changes are important. There are three basic processes that cause a change in oceanic salinity. One of these is the subtraction of water from the ocean by means of evaporation. In this manner， the salinity is increased， since the salt stays behind. If this is carried to the extreme， of course， white salt would be left behind; this， by the way， is how much of the table salt we use is actually obtained.
The opposite of evaporation is precipitation， such as rain， by which water is added to the ocean. Here the ocean is being diluted so that the salinity is decreased. This may occur in areas of
high rainfall or in coastal regions where rivers flow into the ocean. Thus salinity may be increased by the subtraction of water by-evaporation， or decreased by the addition of fresh water by precipitation.
Normally， in hot regions where the sun is very strong， the ocean salinity is somewhat higher than it is in other parts of the world where there is not as much evaporation. Similarly， in coastal regions where rivers dilute the sea， salinity is somewhat lower than in other oceanic areas.
A third process by which salinity may be altered is associated with the formation and melting of sea ice. When seawater is frozen， the dissolved materials are left behind. In this manner， seawater directly beneath freshly formed sea ice has a higher salinity than it did before the ice appeared. Of course， when this ice melts， it will tend to decrease the salinity of the surrounding water.
In the Weddell Sea， the densest water in the ocean is formed as a result of this freezing process， which increases the salinity of cold water. This heavy water sinks and is found in the deeper portion of the oceans of the world.
This passage mainly tells us about__________. 查看材料
A.the analysis of the salinity of ocean waters
B.the causes of the variation in oceanic salinity
C.the importance of the changes in oceanic salinity
D.the different forms of salts in ocean waters
听力原文： Aristotle, the Greek philosopher, summed up the four chief qualities of money some 2,000 years ago. It must be lasting and easy to recognize, to divide, and to carry about. In other words it must be, durable, distinct, divisible and portable. When we think of money today, we picture it either as round, flat pieces of metal which we call coins, or as printed paper notes. But there are still parts of the world today where coins and notes are of no use. They will buy nothing, and a traveler might starve if he had none of the particular local money to exchange for food.
Salt may seem rather a strange substance to use as money, but in countries where the food of the people is mainly vegetable, it is often an absolute necessity. Cakes of salt, stamped to show their value, were used as money in Tibet until recent times, and cakes of salt will still be used to buy goods in Borneo and parts of Africa.
(37)
A．It should be made of metal.
B．It should be durable, distinct, divisible and portable.
C．It had been 2,000 years old.
D．It should be made of high-quality materials.
根据下列文章,请回答 16～22 题。
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, tf ait the oceans were dried up, enough salt would be left to build a wall 180 miles high arid 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 per cent 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 the 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.
第 16 题 We have not fully understood how salt got into the ocean.
A．Right
B．Wrong
C．Not mentioned
Apparently, overuse of salt causes high blood pressure and hypertension, the cause of half the deaths in the United States every year. A few years ago the anti-salt campaigners raised such an uproar that salt was banned from baby food.Currently pressure is being applied to food manufacturers to oblige them to label their products to show sodium content. Because doing so would cost manufacturers money, they argue that they have no idea how much salt remains on such things as potato chips and how much sticks to the bag. Furthermore, salt isn't the only harmful ingredient in food.If the manufacturer has to provide sodium content, why not require him to list every ingredient and specify which are harmful to our health？ Cigarettes have a warning printed on them. Shouldn't the same type of warning appear on canned foods that are notoriously over- salted？
There are endless ifs and buts in the controversy, but the most telling of these is the questionable proof of salt's effect upon the blood pressure. True, people who cut their salt intake lowered their blood pressure, but where is the scientific proof that something other than salt didn't do the trick？ The most common means of providing dubious proof that salt causes hypertension is to compare societies that use little salt with those that use mountains of salt in their daily diets. Which group has the higher rate of hypertension？ Whose blood pressure is lower？ What happens when salt is introduced into a group where salt is a novelty？ Does the blood pressure rise significantly？ Studies of the Japanese indicate that as the world's greatest salters, they suffer the most from hypertension. On the other hand, the simple, salt-free cooking of several tribes in the Solomon Islands has kept older tribesmen and women from developing hypertension and high blood pressure, ailments traditionally killing their peers in America.No account is taken of the effects of inflation, recession, pollution, crime, and sundry (多种多样的) other ills to which Americans, unlike people on primitive islands, are exposed.
To salt or not to salt？ That is the question. Now that the question has arisen, it must not be treated with levity(轻率) but, rather, with searching scientific investigation so that those of us who are preoccupied with both savory(薄荷) food and longevity may decide which of the two is worth its salt.
The attitude of the author of this passage toward the salt controversy is that______。
A．we must stop eating salt immediately
B．she is not convinced that salt is harmful
C．the Food and Drug Administration works well with doctors
D．soon there won't be anything tasty left to eat
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