Hoverboardsarequiteconvientforpeopletocarryorrideont...
问题详情:
Hoverboards are quite convient for people to carry or ride on the busy street, especially in college camps, more and more students choose to ride a hoverboard to class. So hoverboards(电动滑板)were among the most popular Christmas gifts of 2015. They may have also been most dangerous gifts of 2015. A true hoverboard looks like a skateboard without wheels. To “hover” means to float in the air without moving much in any direction. The popularity of hoverboards began in the 1980s, with the “Back to the Future” movies. Characters in the second and third films used hoverboards as transportation. This year’s popular hoverboards, however, do not actually hover. They have wheels. And? as it turns out, they are not easy to use. Adults and children around the world suffered hoverboard-related injuries over the weekend. Many posted pictures of the damage on social media. Twitter user David Douglas posted a pho to of both him and a young girl with the broken arms they suffered on Christmas Day. And another user Erin Rafferty uploaded a video of her mother falling off a hoverboard, with the caption, “Who let mom on the hoverboard?” Falling is not the only risk with some hoverboards. They are also a fire risk. At one store in Texas, an employee tried to fix a hoverboard a customer brought in. The hoverboard then caught fire. Studies suggest that some hoverboard brands have defective batteries o r plugs. Many major airlines worldwide have banned hoverboards because of the fire risk. But some passengers did not hear the news. Australian actor Russell Crowesaid on Monday about his disappointment that Virgin Australia Airlines did not permit his children to take their hoverboards on the plane. Major retailers (零售商)are also taking steps to improve the safety of the hoverboards they sell. Amazon in the United States now only sells hoverboards from brands that have submitted safety standard documents. The UK’s Amazon no longer sells hoverboards. It has also advised customers who bought unsafe brands of hoverboards to throw them away. 12. What’s the problem with this year’s hoverboards? A. They don’t have wheels. B. They are difficult to handle. C. They catch fire in the sun. D. They can’t move in any direction. can infer from the passage that . A. hoverboards are still enjoying equal popularity as before. B. hoverboards are still sold on Amazon in the United States. C. passengers are forbidden to get on planes with hoverboards. D. the number of hoverboard-related injuries is declining. underlined word “defective” in the sixth paragraph probably means _____. A. dead B. faulty C. dry D. spare can probably read this passage in a . A. science fiction B. magazine C. newspaper ereview
【回答】
C D B C
知识点:阅读理解
题型:阅读理解
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________manyAmericansbelievethere'sstillalottobedone,th...
问题详情:________manyAmericansbelievethere'sstillalottobedone,thatdoesn'tweakentheirsenseofObama'shistoricachievement. A.While B.Nowthat C.Aslongas ...
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早春二月的某一天,A市的平均气温为-5℃,B市的平均气温为3℃,则当天B比A市的平均气温高
问题详情:早春二月的某一天,A市的平均气温为-5℃,B市的平均气温为3℃,则当天B比A市的平均气温高____________℃.【回答】8提示:3-(-5)=8.知识点:有理数的加减法题型:填空题...
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右图是*、乙的溶解度曲线,下列说法不正确的是 A.t1℃时,乙的溶解度大于*的溶解度B.t2℃时,*、乙的饱和...
问题详情:右图是*、乙的溶解度曲线,下列说法不正确的是 A.t1℃时,乙的溶解度大于*的溶解度B.t2℃时,*、乙的饱和溶液中溶质的质量分数相等C.降低温度能使接近饱和的*溶液变为饱和溶液D.t3℃时,75g*的饱和溶液中加入50g水,可以得到质量分数为25%的溶液【回答】D知识点:溶...
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阅读下面唐诗,完成①―③题。(10分)书边事。张乔调角断清秋,征人倚戍楼。春风对青冢,白日落梁州②。大漠无兵阻...
问题详情:阅读下面唐诗,完成①―③题。(10分)书边事。张乔调角断清秋,征人倚戍楼。春风对青冢,白日落梁州②。大漠无兵阻,穷边有客游。蕃情似此水,长愿向南流。注释①:唐朝自肃宗以后,河西、陇右一带长期为吐蕃所占。此后,因民众起义及吐蕃将领降唐,其地又全归唐朝所有。本...
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