John Cramer, a researcher at the University of Washington, has created two different (expositions) of what the big bang might have sounded like based an data from two different satellites.A、renditionsB、thesesC、explanationsD、inventions

We were discussing the housing problem when a middle-aged man cut in and said, "There's no point in talking about impossibilities."A. intersectB. interjectC. penetrateD. adulterate

In cold winter, the temperature in Harbin often remains ________ zero all day. . A、 aboveB、 belowC、 overD、 under

Many theories concerning the causes of juvenile delinquency (crimes committed by young people) focus either on the individual or on society as the major contributing influence. Theories (31) on the individual suggest that children engage in criminal behavior (32) they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through (33) with others. Theories focusing on the role of society suggest that children commit crimes in (34) to their failure to rise above their socioeconomic status, (35) as a rejection of middle-class values. Most theories of juvenile delinquency have focused on children from disadvantaged families, (36) the fact that children from wealthy homes also commit crimes. The latter may commit crimes (37) lack of adequate parental control. All theories, however, are tentative and are (38) to criticism. Changes in the social structure may indirectly (39) juvenile crime rates. For example, changes in the economy that (40) to fewer job opportunities for youth and rising unemployment (41) make gainful employment increasingly difficult to obtain. The resulting discontent may in (42) lead more youths into criminal behavior. Families have also (43) changes these years. More families consist of one-parent households or two working parents (44) , children are likely to have less supervision at home (45) was common in the traditional family (46) .This lack of parental supervision is thought to be an influence on juvenile crime rates. Other (47) causes of offensive acts include frustration or failure in school, the increased (48) of drags and alcohol, and the growing (49) of child abuse and child neglect. All these conditions tend to increase the probability of a child committing a criminal act, (50) a direct causal relationship has not yet been established. A．actingB．relyingC．centeringD．commenting

The money a man has may fly away when he needs it.

When the new software was introduced, many employees struggled to adapt because they didn’t see its importance ______. - at the time - on time - in time - all the time

What are the differences between public and private in American higher education? A big difference involves money. Public colleges and universities charge for an education just like private schools. But state schools cost less because they get money from the states that started them to educate local citizens. As a result, tuition at state schools is usually much cheaper. However, the quality of education is almost the same.This year, a foreign undergraduate student in the University of Oregon should pay ________ for the tuition.A. an additional 8,000B. as much as the state residentsC. a financial aidD. 14,000 more than state residents

The mountains surrounding Los Angeles effectively shield the city from the hot, dry winds of the Mojave Desert, （also preventing） the circulation of air.A、and also preventB、and also preventingC、they also preventD、but they also prevent

Tom is ( ) if not taller than John A as tall asB as tall C taller than D taller

1.50 The escalating economic crisis and the _______ unemployment issue have attracted widespread attention.bigcirc resultbigcirc resultantbigcirc leadingbigcirc led

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