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【单选题】
Archaeology as a profession faces two major problems. First, it is the poorest of the poor. Only trifling sums are available for excavating and even less is available for publishing the results and preserving the sites once excavated. Yet archaeologists deal with priceless objects every day. Second, there is the problem of illegal excavation, resulting in museum- quality pieces being sold to the highest bidder. I would like to make an outrageous suggestion that would at one stroke provide funds for archaeology and reduce the amount of illegal digging. I would propose that scientific archeological expeditions and governmental authorities sell excavated artifacts on the open market. Such sales would provide substantial funds for the excavation and preservation of archaeological sites and the publication of results. At the same time, they would break the illegal excavator's grip on the market, thereby decreasing the inducement to engage in illegal activities. You might object that professionals excavate to acquire knowledge, not money. Moreover, ancient artifacts are part of our global cultural heritage, which should be available for all to appreciate, not sold to the highest bidder. I agree. Sell nothing that has unique artistic merit or scientific value. But, you might reply, everything that comes out of the ground has scientific value. Here we part company. Theoretically, you may be correct in claiming that every artifact has potential scientific value. Practically, you are wrong. I refer to the thousands of pottery vessels and ancient lamps that are essentially duplicates of one another. In one small excavation in Cyprus, archaeologists recently uncovered 2,000 virtually indistinguishable small jugs in a single courtyard. Even precious royal seal impressions known as melekh handles have been found in abundance—more than 4,000 examples so far. The basements of museums are simply not large enough to store the artifacts that are likely to be discovered in the future. There is not enough money even to catalogue the finds as a result, they cannot be found again and become as inaccessible as if they had never been discovered. Indeed, with the help of a computer, sold artifacts could be more accessible than are the pieces stored in bulging museum basements. Prior to sale, each could be photographed and the list of the purchasers could be maintained on the computer. A purchaser could even be required to agree to return the piece if it should become needed for scientific purposes. It would be unrealistic to suggest that illegal digging would stop if artifacts were sold on the open market. But the demand for the clandestine product would be substantially reduced. Who would want an unmarked pot when another was available whose provenance was known, and that was dated stratigraphically by the professional archaeologist who excavated it? The primary purpose of the passage is to propose______.
A.
an alternative to museum display of artifacts
B.
a way to curb illegal digging while benefiting the archaeological profession
C.
a way to distinguish artifacts with scientific value from those that have no such value
D.
the governmental regulation of archaeological sites
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参考答案:
举一反三
【判断题】20mol·dm -3 HAc溶液中c(H + )是0.10mol·dm -3 HAc溶液中c(H + )的2倍。(    )
A.
正确
B.
错误
【简答题】补全对话.从方框中选择合适的选项补全对话,使对话意思完整、符合逻辑(有两项是多余的)(共5小题,每小题1分,满分5分) A: Hello, Jimmy, are you free tomorrow? B: 小题1: ? A: what shall we do then ? B: I don’t know小题2: . A: Good idea.! Shall we ask Kim? B: Ok. A...
【单选题】用 0.20 mol ·dm -3 HAc 和 0.20 mol ·dm -3 NaAc 溶液直接混合 ( 不加水 ) , 配制 1.0 dm 3 pH = 5.00 的缓冲溶液 , 需取 0.20 mol ·dm -3 HAc 溶液为 (p K a (HAc) = 4.75)
A.
6.4 ´ 10 2 cm 3
B.
6.5 ´ 10 2 cm 3
C.
3.5 ´ 10 2 cm 3
D.
3.6 ´ 10 2 cm 3
【简答题】根据短文内容,请从以下选项中选出符合各段意思的小标题,选项中有一项是多余选项。 A.Learn about the Country B.Learn about the University C.Be Prepared for Adjustments D.Know What to Do in an Emergency E. Ensure You Have All the Documents(文件) ...
【简答题】词语运用。 阅读短文,从方框中选择适当的词并用其正确形式填空,使短文意思通顺、完整。请将答案写 在短文后相应的横线上。每空限填一词,每词限用一次。方框中有两个词是多余的。 finish night sick window well much late early sleep many ill doctor Why are we always tired, do you know? Firstly ...
【单选题】用 0.20 mol · dm -3 HAc 和 0.20 mol · dm -3 NaAc 溶液直接混合 ( 不加水 ) , 配制 1.0 dm 3 、 pH = 5.00 的缓冲溶液 , 需取 0.20 mol · dm -3 HAc 溶液为 ? ( ) (p K a (HAc) = 4.75)
A.
6.1 ´ 10 2 cm 3
B.
6.5 ´ 10 2 cm 3
C.
3.5 ´ 10 2 cm 3
D.
3.6 ´ 10 2 cm 3
E.
7.6 ´ 10 2 cm 3
【多选题】在下列生理过程中不属于胞吐作用的是
A.
胰腺细胞将胰蛋白酶原分泌至导管中
B.
肾小管上皮细胞向管腔分泌H +
C.
副交感节后纤维末梢释放乙酰胆碱
D.
细胞中CO 2 的排出
E.
胃腺壁细胞分泌HCl
【单选题】下列过程中, 不 属于胞吐作用的是
A.
浆细胞分泌抗体到细胞外的过程
B.
mRNA从细胞核到细胞质的过程
C.
分泌蛋白从胰腺的腺泡细胞到胞外的过程
D.
突触小泡中的神经递质释放到突触间隙的过程
【单选题】属于优质碳素结构钢中弹簧钢的是:
A.
20
B.
25
C.
45
D.
60
【判断题】乳腺切除的选择取决于宠物体况和乳房患病的部位及淋巴流向:单纯乳腺切除、单侧乳腺切除
A.
正确
B.
错误
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