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[主观题]

Many people believe the glare from snow causes snow blindness.Yet, with dark glasses or no

t, they find themselves suffering from headaches and watering eyes, and even snowblindness, when exposed to several hours of "snow light". The United States Army has now determined that the glare from snow does not cause snow-blindness in troops in a snow-covered country.Rather, a mans eyes frequently find nothing to focus on in a broad expanse of a snow-covered area.So his gaze continually shifts and jumps back and forth over the entire landscape in search of something to look at.Finding nothing, hour after hour, the eyes never stop searching and the eyeballs become sore and the eye muscle aches.Nature balances this annoyance by producing more and more liquid which covers the eyeballs.The liquid covers the eyeballs in increasing quantity until vision blurs.And the result is total,even though temporary,snowblindness. Experiments led the Army to a simple method of overcoming this problem.Scouts ahead of a main body of troops are trained to shake snow from evergreen bushes, creating a dotted line as they cross completely snow-covered landscape.Even the scouts themselves throw lightweight, dark-colored objects ahead on which they too can focus. The men following can then see something.Their gaze is arrested.Their eyes focus on a bush and having found something to see, stop searching through the snow- blanketed landscape.By focusing their attention on one object at a time, the man can cross the snow withoutbecoming hopelessly snowblind or lost.In this way the problem of crossing a solid white area is overcome.

The eyeballs become sore and the eye muscles ache because______.

A.tears cover the eyeballs

B.the eyes are annoyed by blinding sunlight

C.the eyes are annoyed by blinding snow

D.there is nothing to focus on

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更多“Many people believe the glare from snow causes snow blindness.Yet, with dark glasses or no”相关的问题

第1题

【T20】A.TEND TO B.CONSIDERED C.ARISE D.THINK OF A.IT MAY BE【T13】______FOOLISH B.

【T20】

A.TEND TO

B.CONSIDERED

C.ARISE

D.THINK OF A.IT MAY BE【T13】______FOOLISH

B.MISUNDERSTANDINGS【T14】______BETWEEN PEOPLE FROM CULTURES

C.NO ONE WOULD【T15】______KEEPING A BUSINESS FRIEND

D.GUESTS【T16】______FEEL THEY ARE NOT HIGHLY REGARDED IN SOCIAL LIFE, TIME PLAYS A VERY IMPORTANT PART.IN THE U.S.A.【T17】______IF THE INVITATION TO A DINNER PARTY IS EXTENDED ONLY THREE OR FOUR DAYS BEFORE THE PARTY DAT

E.BUT IT IS NOT TRUE IN ALL COUNTRIES.IN OTHER AREAS OF THE WORLD【T18】______TO MAKE AN APPOINTMENT TOO FAR IN ADVANCE BECAUSE PLANS WHICH ARE MADE FOR A DATE MORE THAN A WEEK AWAY TEND TO BE FORGOTTE

N.THE MEANING OF TIME DIFFERS IN DIFFERENT PARTS OF THE WORL

D.THUS,【T19】______THAT TREAT TIME DIFFERENTLY; PROMPTNESS IS VALUED HIGHLY IN AMERICAN LIFE, FOR EXAMPL

E.IF PEOPLE ARE NOT PROMPT, THEY MAY BE REGARDED AS IMPOLITE OR NOT FULLY RESPONSIBL

E.IN THE U.S.【T20】______WAITING FOR AN HOUR; IT WOULD BE TOO IMPOLIT

E.

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第2题

【T19】A.TEND TO B.CONSIDERED C.ARISE D.THINK OF A.IT MAY BE【T13】______FOOLISH B.

【T19】

A.TEND TO

B.CONSIDERED

C.ARISE

D.THINK OF A.IT MAY BE【T13】______FOOLISH

B.MISUNDERSTANDINGS【T14】______BETWEEN PEOPLE FROM CULTURES

C.NO ONE WOULD【T15】______KEEPING A BUSINESS FRIEND

D.GUESTS【T16】______FEEL THEY ARE NOT HIGHLY REGARDED IN SOCIAL LIFE, TIME PLAYS A VERY IMPORTANT PART.IN THE U.S.A.【T17】______IF THE INVITATION TO A DINNER PARTY IS EXTENDED ONLY THREE OR FOUR DAYS BEFORE THE PARTY DAT

E.BUT IT IS NOT TRUE IN ALL COUNTRIES.IN OTHER AREAS OF THE WORLD【T18】______TO MAKE AN APPOINTMENT TOO FAR IN ADVANCE BECAUSE PLANS WHICH ARE MADE FOR A DATE MORE THAN A WEEK AWAY TEND TO BE FORGOTTE

N.THE MEANING OF TIME DIFFERS IN DIFFERENT PARTS OF THE WORL

D.THUS,【T19】______THAT TREAT TIME DIFFERENTLY; PROMPTNESS IS VALUED HIGHLY IN AMERICAN LIFE, FOR EXAMPL

E.IF PEOPLE ARE NOT PROMPT, THEY MAY BE REGARDED AS IMPOLITE OR NOT FULLY RESPONSIBL

E.IN THE U.S.【T20】______WAITING FOR AN HOUR; IT WOULD BE TOO IMPOLIT

E.

点击查看答案

第3题

【T18】A.TEND TO B.CONSIDERED C.ARISE D.THINK OF A.IT MAY BE【T13】______FOOLISH B.

【T18】

A.TEND TO

B.CONSIDERED

C.ARISE

D.THINK OF A.IT MAY BE【T13】______FOOLISH

B.MISUNDERSTANDINGS【T14】______BETWEEN PEOPLE FROM CULTURES

C.NO ONE WOULD【T15】______KEEPING A BUSINESS FRIEND

D.GUESTS【T16】______FEEL THEY ARE NOT HIGHLY REGARDED IN SOCIAL LIFE, TIME PLAYS A VERY IMPORTANT PART.IN THE U.S.A.【T17】______IF THE INVITATION TO A DINNER PARTY IS EXTENDED ONLY THREE OR FOUR DAYS BEFORE THE PARTY DAT

E.BUT IT IS NOT TRUE IN ALL COUNTRIES.IN OTHER AREAS OF THE WORLD【T18】______TO MAKE AN APPOINTMENT TOO FAR IN ADVANCE BECAUSE PLANS WHICH ARE MADE FOR A DATE MORE THAN A WEEK AWAY TEND TO BE FORGOTTE

N.THE MEANING OF TIME DIFFERS IN DIFFERENT PARTS OF THE WORL

D.THUS,【T19】______THAT TREAT TIME DIFFERENTLY; PROMPTNESS IS VALUED HIGHLY IN AMERICAN LIFE, FOR EXAMPL

E.IF PEOPLE ARE NOT PROMPT, THEY MAY BE REGARDED AS IMPOLITE OR NOT FULLY RESPONSIBL

E.IN THE U.S.【T20】______WAITING FOR AN HOUR; IT WOULD BE TOO IMPOLIT

E.

点击查看答案

第4题

【T16】A.TEND TO B.CONSIDERED C.ARISE D.THINK OF A.IT MAY BE【T13】______FOOLISH B.

【T16】

A.TEND TO

B.CONSIDERED

C.ARISE

D.THINK OF A.IT MAY BE【T13】______FOOLISH

B.MISUNDERSTANDINGS【T14】______BETWEEN PEOPLE FROM CULTURES

C.NO ONE WOULD【T15】______KEEPING A BUSINESS FRIEND

D.GUESTS【T16】______FEEL THEY ARE NOT HIGHLY REGARDED IN SOCIAL LIFE, TIME PLAYS A VERY IMPORTANT PART.IN THE U.S.A.【T17】______IF THE INVITATION TO A DINNER PARTY IS EXTENDED ONLY THREE OR FOUR DAYS BEFORE THE PARTY DAT

E.BUT IT IS NOT TRUE IN ALL COUNTRIES.IN OTHER AREAS OF THE WORLD【T18】______TO MAKE AN APPOINTMENT TOO FAR IN ADVANCE BECAUSE PLANS WHICH ARE MADE FOR A DATE MORE THAN A WEEK AWAY TEND TO BE FORGOTTE

N.THE MEANING OF TIME DIFFERS IN DIFFERENT PARTS OF THE WORL

D.THUS,【T19】______THAT TREAT TIME DIFFERENTLY; PROMPTNESS IS VALUED HIGHLY IN AMERICAN LIFE, FOR EXAMPL

E.IF PEOPLE ARE NOT PROMPT, THEY MAY BE REGARDED AS IMPOLITE OR NOT FULLY RESPONSIBL

E.IN THE U.S.【T20】______WAITING FOR AN HOUR; IT WOULD BE TOO IMPOLIT

E.

点击查看答案

第5题

【T15】A.TEND TO B.CONSIDERED C.ARISE D.THINK OF A.IT MAY BE【T13】______FOOLISH B.

【T15】

A.TEND TO

B.CONSIDERED

C.ARISE

D.THINK OF A.IT MAY BE【T13】______FOOLISH

B.MISUNDERSTANDINGS【T14】______BETWEEN PEOPLE FROM CULTURES

C.NO ONE WOULD【T15】______KEEPING A BUSINESS FRIEND

D.GUESTS【T16】______FEEL THEY ARE NOT HIGHLY REGARDED IN SOCIAL LIFE, TIME PLAYS A VERY IMPORTANT PART.IN THE U.S.A.【T17】______IF THE INVITATION TO A DINNER PARTY IS EXTENDED ONLY THREE OR FOUR DAYS BEFORE THE PARTY DAT

E.BUT IT IS NOT TRUE IN ALL COUNTRIES.IN OTHER AREAS OF THE WORLD【T18】______TO MAKE AN APPOINTMENT TOO FAR IN ADVANCE BECAUSE PLANS WHICH ARE MADE FOR A DATE MORE THAN A WEEK AWAY TEND TO BE FORGOTTE

N.THE MEANING OF TIME DIFFERS IN DIFFERENT PARTS OF THE WORL

D.THUS,【T19】______THAT TREAT TIME DIFFERENTLY; PROMPTNESS IS VALUED HIGHLY IN AMERICAN LIFE, FOR EXAMPL

E.IF PEOPLE ARE NOT PROMPT, THEY MAY BE REGARDED AS IMPOLITE OR NOT FULLY RESPONSIBL

E.IN THE U.S.【T20】______WAITING FOR AN HOUR; IT WOULD BE TOO IMPOLIT

E.

点击查看答案

第6题

【T14】A.TEND TO B.CONSIDERED C.ARISE D.THINK OF A.IT MAY BE【T13】______FOOLISH B.

【T14】

A.TEND TO

B.CONSIDERED

C.ARISE

D.THINK OF A.IT MAY BE【T13】______FOOLISH

B.MISUNDERSTANDINGS【T14】______BETWEEN PEOPLE FROM CULTURES

C.NO ONE WOULD【T15】______KEEPING A BUSINESS FRIEND

D.GUESTS【T16】______FEEL THEY ARE NOT HIGHLY REGARDED IN SOCIAL LIFE, TIME PLAYS A VERY IMPORTANT PART.IN THE U.S.A.【T17】______IF THE INVITATION TO A DINNER PARTY IS EXTENDED ONLY THREE OR FOUR DAYS BEFORE THE PARTY DAT

E.BUT IT IS NOT TRUE IN ALL COUNTRIES.IN OTHER AREAS OF THE WORLD【T18】______TO MAKE AN APPOINTMENT TOO FAR IN ADVANCE BECAUSE PLANS WHICH ARE MADE FOR A DATE MORE THAN A WEEK AWAY TEND TO BE FORGOTTE

N.THE MEANING OF TIME DIFFERS IN DIFFERENT PARTS OF THE WORL

D.THUS,【T19】______THAT TREAT TIME DIFFERENTLY; PROMPTNESS IS VALUED HIGHLY IN AMERICAN LIFE, FOR EXAMPL

E.IF PEOPLE ARE NOT PROMPT, THEY MAY BE REGARDED AS IMPOLITE OR NOT FULLY RESPONSIBL

E.IN THE U.S.【T20】______WAITING FOR AN HOUR; IT WOULD BE TOO IMPOLIT

E.

点击查看答案

第7题

【T13】A.TEND TO B.CONSIDERED C.ARISE D.THINK OF A.IT MAY BE【T13】______FOOLISH B.

【T13】

A.TEND TO

B.CONSIDERED

C.ARISE

D.THINK OF A.IT MAY BE【T13】______FOOLISH

B.MISUNDERSTANDINGS【T14】______BETWEEN PEOPLE FROM CULTURES

C.NO ONE WOULD【T15】______KEEPING A BUSINESS FRIEND

D.GUESTS【T16】______FEEL THEY ARE NOT HIGHLY REGARDED IN SOCIAL LIFE, TIME PLAYS A VERY IMPORTANT PART.IN THE U.S.A.【T17】______IF THE INVITATION TO A DINNER PARTY IS EXTENDED ONLY THREE OR FOUR DAYS BEFORE THE PARTY DAT

E.BUT IT IS NOT TRUE IN ALL COUNTRIES.IN OTHER AREAS OF THE WORLD【T18】______TO MAKE AN APPOINTMENT TOO FAR IN ADVANCE BECAUSE PLANS WHICH ARE MADE FOR A DATE MORE THAN A WEEK AWAY TEND TO BE FORGOTTE

N.THE MEANING OF TIME DIFFERS IN DIFFERENT PARTS OF THE WORL

D.THUS,【T19】______THAT TREAT TIME DIFFERENTLY; PROMPTNESS IS VALUED HIGHLY IN AMERICAN LIFE, FOR EXAMPL

E.IF PEOPLE ARE NOT PROMPT, THEY MAY BE REGARDED AS IMPOLITE OR NOT FULLY RESPONSIBL

E.IN THE U.S.【T20】______WAITING FOR AN HOUR; IT WOULD BE TOO IMPOLIT

E.

点击查看答案

第8题

【T12】A.PROPERTY B.RUN C.ON A.ALL OTHER FORMS OF TOBACCO【T7】______SCHOOL GROUNDS B.

【T12】

A.PROPERTY

B.RUN

C.ON A.ALL OTHER FORMS OF TOBACCO【T7】______SCHOOL GROUNDS

B.IF THEY"RE ON SCHOOL【T8】______

C.SMOKERS ARE BEING【T9】______NOT JUST OUT OF SCHOOL BUILDINGS AT MANY COLLEGES,【T10】______BUT OFF THE PREMISES.ON NOV.19,THE UNIVERSITYOF KENTUCKY, THE TOBACCO STATE"S FLAGSHIP PUBLIC INSTITUTION, LAUNCHED A CAMPUS WIDE BAN ON CIGARETTES AND【T11】______AND PARKING AREAS.PRO-NICOTINE STUDENTS STAGED A "SMOKE-OUT" TO PROTEST THE NEW POLICY, WHICH EVEN RULES OUT SMOKING INSIDE CARS【T12】______.KENTUCKY JOINS MORE THAN 365 U.S.COLLEGES AND UNIVERSITIES THAT IN RECENT YEARS HAVE INSTITUTED ANTISMOKING RULES BOTH INDOORS AND OUT.IN MOST PLACES, THE ISSUE DOESN"T SEEM TO BE SECONDHAND SMOK

E.RATHER, THE RATIONALE FOR GOING SMOKE-FREE IN WIDE OPEN SPACES IS A DESIRE TO MODEL HEALTHY BEHAVIOR.

点击查看答案

第9题

【T11】A.PROPERTY B.RUN C.ON A.ALL OTHER FORMS OF TOBACCO【T7】______SCHOOL GROUNDS B.

【T11】

A.PROPERTY

B.RUN

C.ON A.ALL OTHER FORMS OF TOBACCO【T7】______SCHOOL GROUNDS

B.IF THEY"RE ON SCHOOL【T8】______

C.SMOKERS ARE BEING【T9】______NOT JUST OUT OF SCHOOL BUILDINGS AT MANY COLLEGES,【T10】______BUT OFF THE PREMISES.ON NOV.19,THE UNIVERSITYOF KENTUCKY, THE TOBACCO STATE"S FLAGSHIP PUBLIC INSTITUTION, LAUNCHED A CAMPUS WIDE BAN ON CIGARETTES AND【T11】______AND PARKING AREAS.PRO-NICOTINE STUDENTS STAGED A "SMOKE-OUT" TO PROTEST THE NEW POLICY, WHICH EVEN RULES OUT SMOKING INSIDE CARS【T12】______.KENTUCKY JOINS MORE THAN 365 U.S.COLLEGES AND UNIVERSITIES THAT IN RECENT YEARS HAVE INSTITUTED ANTISMOKING RULES BOTH INDOORS AND OUT.IN MOST PLACES, THE ISSUE DOESN"T SEEM TO BE SECONDHAND SMOK

E.RATHER, THE RATIONALE FOR GOING SMOKE-FREE IN WIDE OPEN SPACES IS A DESIRE TO MODEL HEALTHY BEHAVIOR.

点击查看答案

第10题

【T10】A.PROPERTY B.RUN C.ON A.ALL OTHER FORMS OF TOBACCO【T7】______SCHOOL GROUNDS B.

【T10】

A.PROPERTY

B.RUN

C.ON A.ALL OTHER FORMS OF TOBACCO【T7】______SCHOOL GROUNDS

B.IF THEY"RE ON SCHOOL【T8】______

C.SMOKERS ARE BEING【T9】______NOT JUST OUT OF SCHOOL BUILDINGS AT MANY COLLEGES,【T10】______BUT OFF THE PREMISES.ON NOV.19,THE UNIVERSITYOF KENTUCKY, THE TOBACCO STATE"S FLAGSHIP PUBLIC INSTITUTION, LAUNCHED A CAMPUS WIDE BAN ON CIGARETTES AND【T11】______AND PARKING AREAS.PRO-NICOTINE STUDENTS STAGED A "SMOKE-OUT" TO PROTEST THE NEW POLICY, WHICH EVEN RULES OUT SMOKING INSIDE CARS【T12】______.KENTUCKY JOINS MORE THAN 365 U.S.COLLEGES AND UNIVERSITIES THAT IN RECENT YEARS HAVE INSTITUTED ANTISMOKING RULES BOTH INDOORS AND OUT.IN MOST PLACES, THE ISSUE DOESN"T SEEM TO BE SECONDHAND SMOK

E.RATHER, THE RATIONALE FOR GOING SMOKE-FREE IN WIDE OPEN SPACES IS A DESIRE TO MODEL HEALTHY BEHAVIOR.

点击查看答案
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