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[单选题]
Can you tell Mary____ her twin (双胞胎) sister?
A
to
B
with
C
between
D
from
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试题答案：
D
答案解释：
相关题目
2. ResourcesCanBe said toBe scarce inBothAnAbsoluteAnd relative sense: the surface of the Earth is finite, imposingAbsolute scarcity;But the scarcity thatConcerns economists is the relative scarcity of resources inDifferent uses. Materials used for one purposeCannotAt the same timeBe used for other purposes; if the quantity ofAn input is limited, the increased use of it in one manufacturing process mustCause it toBecome lessAvailable for other uses.TheCost ofA product in terms of money may not measure its trueCost to society. The trueCost of, say, theConstruction ofA supersonic jet is the value of the schoolsAnd refrigerators that will neverBeBuiltAsA result. EveryAct of production uses up some of society’sAvailable resources; it means the foregoing ofAn opportunity to produce something else. InDeciding how to use resources most effectively to satisfy the wants of theCommunity, this opportunityCost must ultimatelyBe taken intoAccount.InA market economy the price ofA goodAnd the quantity suppliedDepend on theCost of making it,And thatCost, ultimately, is theCost of not making other goods. The market mechanism enforces this relationship. TheCost of, say,A pair of shoes is the price of the leather, the labor, the fuel,And other elements used up in producing them.But the price of these inputs, in turn,Depends on what theyCan produce elsewhere—if the leatherCanBe used to produce handbags thatAre valued highlyByConsumers, the prices of leather willBeBid upCorrespondingly.26. WhatDoes this passage mainlyDiscuss?____A. The scarcity of manufactured goods.B. The value of scarce materials.C. The manufacturing of scarce goods.D. TheCost of producing shoes.
24. Early in my travels, I had noticed these“new things” under the sun, and since they occur in increasing numbers all over the nation, it is interesting to observe them. From the beginning of my travels I had noticed the sale lots where they were sold and traded, but then I began to be aware of the parks where they sit down in uneasy permanence.By talking to the managers of the parks and to the dwellers in this new kind of housing, I got to know that these trailers are wonderfully built homes. Some of them are even forty feet long and they have two to five rooms, and are complete with air-conditioners, toilets, baths, and televisions. The parks where they sit are equipped with every facility. When a mobile home is drawn to the trailer park (活动住屋的停车场)，water and electric power will be connected and the television antenna raised, and then the family settle down.The park men charge a small ground rent plus fees for water and electricity. Telephones are connected in nearly all of them simply by plugging in a jack (插座). Sometimes the park has a general store for supplies, if there are no supermarkets nearby. Parking difficulties in the towns have caused these trailers to move to the open country where they don’t have to pay town taxes. The fact that these homes can be moved does not mean that they do move. Sometimes their owners stay for years in one place. It is a totally new and appealing way of life to me. These homes are never cheap and often are quite expensive with all the thousand appliances we live by—dishwashers, automatic clothes washers and driers, refrigerators.(10分)24.1 The author noticed the “ new things” (Para.1）when .(2分)A. he worked in the countryB. he traveled on a sunny dayC. he traveled around the country D. he tried to talk to manager in the park
21.4 According to the passage, a boy of fourteen years old sleeps ________.(2分)
You should hand in your papers when you _______ independently.(1分)
____ how to operate a switchboard the graduate student had to ask the office supervisor to show him the correct procedures.
4.A.separate B.same C.similar D.special
His rudeness upset her, and it took her a long time to____.
24.4 The following are all negative things brought by the rapid growth of cities EXCEPT .(2分)
She was _______ having done such a silly thing.(1分)
Where did you____ the magazine I was reading?
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