最新-2018年北京市顺义区中考二模英语试题及答案 精品(14)

C. children in other countries don’t carry too heavy bags

D. both children in China and the US carry too heavy school bags

54. If a child carries a heavy school bag, his___________ will be hurt.

A. hands

B. feet

C. back and neck

D. head and arms

55.According to the doctor, Scott Butch, if a child in Grade 5 weighs about30 kilos, the school bag he carries should not be over________ kilos

A. 3

B. 4.5

C.5

D. 5.5

D

A new study suggests that the more teenagers watch television, the more likely they are to develop depression as young adults. The researchers used a national long-term survey of healthy young teenagers of about 13-16 to find out the relationship between media use and depression. They based their findings on more than4000 young teenagers who were not depressed when the survey began in 1995.

As part of the survey, the young people were asked how many hours of television or videos they watched daily. They were also asked how often they played computer games and listened

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