WHY DOES I-LUR GROW GRAY?

Some of the cells of the 1 contain a pigment (coloring matter).As 2 bodies grow old, most of them 3 the power to make new pipment, 4 that the hairs are colorless, or 5 . Some people lose thepower to 6 the pigment when they are still 7. young; others do notgrow gray 8 they have reached a very advanced 9.

General health and good care of 10 hair may aid in keepingthe 11. However, loss of hair pigment runs l2 families, and manyphysicians believe that 13 is a hereditary trait. The condition 14the nervous system has an effect 15 the hair. Persons under a serious16 strain have been known to grow 17 quickly. We hear stories ofpeople 18 turned white in a single night, 19 of shock, or fright orfear. 20 these stories are exaggerations; yet it 21 true that men andwomen under 22 have become white-haired in a few 23.

Scientists have studied for years, trying 24 find out what happensin the 25 that stops production of the color 26. In some ~8x4the mysterious little 27 play a part. If the body 28 certain vitaminsof the B family. 29 hair may grow gray. When these 30 are supplied.the hair has heen 31 to regain its color.

Many animals 32 grow gray with the years. You 33 noticedthis, of course, among cats 34 dogs. It is true of mice 35 rats andthey are often chosen 36 scientists for experimental sp&mena

1. cellsA prisons

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2. advanced ageA old ageC new era

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B microscopic unita of livingmatter

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B advanced ideaD new generationanswer . . . . . . . . . . . . . . . . . . . . .

B taking possessionD biological

answer . . . . . . . . . . . . . . . . . . . . .

BareSD descriptionmwcr . . . . . . . . . . . . . . . . . . . . .

B tendencyD tensionanswer . . . . . . . . . . . . . . . . . . . . .

B a sudden and severe agitation ofemotioxts

D fearanswer . . . . . . . . . . . . . . . . . . . . .

7. exaggcmtionsA owempbasac o-ntd

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8. atrmaA emotional strainc loudncas

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9. find outA discoverC seek

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10. mysteriousA8CXXCtc wonderful

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11. rqainA gain moneyC be rich

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12. miceA large rodentsc 8llincapig

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13. expaimcutalA experiencedCSCttkd

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B puzzlingD specialanswer . . . . . . . . . . . . . . . .

B winD get back toanswer . . . . . . . . . . . . . . . .

B ratsD small rodentsanswer . . . . . . . . . . . . . . . . . . . . .

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Clarity. “Put yourself in the other 1 place” is a commonbit of 2 advice too seldom followed. It is 3 helpful in letter writing.If you 4 this advice, you will make yourself 5 clear; you will sayall that G mean to say, and, just as 7 you will not say what you8 not mean to say. You will 9 leave your reader to guess your 10,or to try to “read between 11 lines.” Moreover, you will expressyourself 12 an interesting manner; you will not 13 yourself-a veryboring habit with 14 many writers, as well as speakers. I5 will avoidhackneyed expressions, worn 16 from excessive use, such as, “It’s 17small world, after all, ” “Two heads 18 better than one,” “Idon’t know 19 about art, but I know what 20 like,” “He’s a chipoff the 21 block,” “Once bitten, twice shy.“, Such 22 are godsendsfor people who do 23 want to make the mental effort 24 to expressan idea with some 25 of originality.

If you put yourself 26 the other person’s place, you will 27make your letter “mechanically” and visually 28: if handwritten-clearly!egible, not crowded, 29 of blots and of words substituted 30 wordscrossed out; if typewritten (sometimes 31 social notes may be type-written)-neat 32 appearance, with a ribbon that makes 33 writingclearly visible, with no jumped 34 above the lines, and with no 35from jumped spaces between the letters 36 a word of between words.Whether 37 or typewritten, only the most informal 38 may haveinsertions above the lines-39 or phrases you originally omitted.

1. clarityA transparentd clearness

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B abundantlyDo&n-war . . . . . . . . . . . . . . . . . . . . .

B pay attention toD temerityanswer . . . . . . . . . . . . . . . . . . . . .

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B untightD tiaraanswer . . . . . . . . . . . . . . . . . . . . .

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B atmosphereD parkanswer ,....................

19. insertionsA deletionsC abstractions

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WHAT DOES THE PATIZRN IN A BRICK WALL MEAN ?

The bricks that are commonly built 1 to make a wall are 82 long, 4 inches wide, and about 2f 3 thick. The bricklayer bindsthem with 4, which is made by mixing together 5 water either limeand sand, or 6 and sand. Mortar, however, is not 7 strength to thebrickwork, but a 8, and because the mortar joint is 9 weak pointthe brick1ayer.avoid.s arranging 10 bricks so that one joint comes 11over another.

If a wall were 12 with the mortar joints directly over I3other, and a heavy weight, such 14 an iron column, were placed on15 part of the wall, all the 16 joints would give way under the 17,and the column would sink and 18 the bricks down or out. Brickwork19 built in a regular pattern to 20 weak joints, and this pattern is21 a bond.

Some forms of bond 22 American, English and Flemish. InEnglish 23 the brick wall is built of 24, or “courses,” of bricks laidalternately, 25 row all lengthwise and the next 26 all endwise. Abrick put lengthwise 27 called a stretcher; a brick laid 28 is called a header.We can 29 see how stretchers and headers in 30 layers prevent theweak mortar joints 31 coming over each other. In order 32 startthe rows of headers right, 33 small piece of brick has to 34 built innext to the first 35 of the row; and this piece 36 called a closer. Thepattern of 37 bond is different, and some people 38 it looks better;each row is 39 of alternate headers and stretchers. In 40 bond five

or six rows of 41 arc so laid that the joints 42 not come together.Thenarow Uhcadcrsislaid.

A .-j,~Bnu~~~nwUHU,U(RJ~nYU~,n4~,HU~I;;1. bricklayer

A one who lies with bricks’ C one who builds with bricks

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. . . . . . . . . . . . . . . . . . . . .

B bowl-ahaped vtssclC building material that binds D subject to death

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4. %mmApilk B a section of printed matterCrupport D feature article

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5. bondAPW=c-t

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B baud -.D the connection formal by OVCF

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8. alternatelyA choicelyC in next order

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9. lengthwise

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11. headerA aharvestingmachine

C a brick laid sideways. . ..C

C12. cloler

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B depocited eggsD made a betanswer . . . . . . . . . . . . . . . . . . . . .

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B 1ongitudinaUyD v&y longanswer . . . . . . . . . . . . . . . . . . . . .

B a brick lying lengthwiseD a frame for carrying the sickanswer . . . . . . . . . . . . . . . . . . . . .

B a pipe from which tributaryPipes run

D a brick put longitiiy. . . . . . . . . . . . . . . . . . . . .

B tightaD a d piux of brickbuilt ia

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14. limeAkmon BlilhflC a white, earthy subetance Dth8IKM

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WHAT IS PHILOSOPHY?It is very difficult to give 1 satisfactory formal definition of

philosophy. For 2 is like those other great human 3 of ideal society-art, science, and 4 : every definition turns out to be 5 expressionof an individual and limited 6 reflecting the practice of that enterprise7 the definer’s own culture, and shutting 8 as much as it includes.And 9 definition conveys much illumination apart from 10 knowledgeof the concrete philosophies men 11 formulated, the philosophicalproblems out of 12 those formulations have grown, and the 13 whichphilosophical thinking has played in 14 own lives aud in that of 15culture. Philosophy, in other words, 16 a human and cultural enter-prb to 17 inquired into, rather than a mere 18 to be defined. Anydefinition must 19 from a careful analysis of what 20 have beendoing when they philosophized. 21 how that is to be distinguished22 what they do when they engage. 23 their other cultural enterprises.The boundaries 24 these diEerent pursuits am notoriously vague; 25different definitions regect a more or 26 arbibrary drawing of the lines.

Philaeuphy 27 Reifgbn, Sdeuca and Art.Philosophid 28 i&ad,has veryclose rckltions witn 29, with science, and with art. It 30-normauycuhninated in the attempt to 3lintellcctdY what~.donhas ahays done 32 and emotionally : to establish human life 33 somesafisfyiugatldmea&&lr&tiont0 34mliveme in which man -fbishimself, 36toaffordsomawisdomintbe 36ofhumanatBim.

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B undertakingD mestiwmnwer . . . . . . . . . . . . . . . . . . . . .

BCOIICULID concentrationanawar . . . . . . . . . . . . . . . . . ..-.

BlhDd

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11. tivefscA totality of creationCmicrocowr

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12. oonductA condoz+cc behave

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B subject to one’s opinionD licitanswer . . . . . . . . . . . . . . . . . . . . .

B stoppedD afkctedanswer . . . . . . . . . . . . . . . . . . . . .

B spaceD instancesanswer . . . . . . . . . . . . . . . . . .

B contributeD managementantwer . . . . . . . . . . . . . . . .

BpahtD cbaractcriaticsanswer . . . . . . . . . . . . . . I . . .

B lucidD explicitanawcr . . . . . . . . . . . . . . . . . . . . .

15. alhiraA atfeotionCbry

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17. apart from.A be made different fromC faraway From

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BOV&UUt

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B indep&dently ofD partofanswer . . . . . . . . . . . . . . . . . . . . .

B famousD knownasBllswer . . . . . . . . . . . . . . . . . . . . .

B ratherD equallyanswer . . . . . . . . . . . . . . . . . . . . .

B ~Jl~U~l~~~Ud~~;l~~.~~~~~al~~~~~~U~~~~~l~1. ..o,....... ..*... 2 ..,...*........... 3 . . . . . . . . . . . . . . . . . . .

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