Thisscientisthasbeen______thisproblemforabouttenyears.|北开题库

[单选题]Thisscientisthasbeen______thisproblemforabouttenyears.

北开题库

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2023-10-01 08:02:33

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[单选题]Thisscientisthasbeen______thisproblemforabouttenyears.

A.workingout
B.workingon
C.workingoff
D.workingup

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国家开放大学

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上一题：Visit schools anywhere in the world, and you will probably notice a number of similarities. There are students, teachers, books, blackboards, and exams 26 . However, a school system in one country is not 27 to the system in any other country. It cannot be exactly the same because each culture is different. The educational system is a 28 that reflects the culture. Look at the school system, and you will see the social structure and the values of its culture. Education in the United States is available to everyone, but not all schools are equal. Public primary and secondary schools are free for everyone: there is no 29 . Almost 80 percent of all Americans are high school graduates. Students themselves decide if they want college preparatory or vocational classes in high school; no national exam 30 this. Higher education is not free, 31 it is available to almost anyone, and about 60 percent of all high school graduates attend college or university. Older people have the opportunity to attend college, too, because Americans believe that you're 32 too old to learn. On the other hand, there are also problems in U.S schools. In many secondary schools, there are problems with 33 discipline and with drugs and crime. In addition, public schools receive their money from local taxes, so schools in poor areas receive less money. 34 , they don’t have enough good teachers or laboratory equipment, and the buildings are often not in good condition. Clearly, U.S. education reflects 35 the best and the worst of the society. A. alike B. equal C. identical D. equivalent...

下一题：They ______________ for hours....

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