suggests, those within the car are often forgotten”可推知，车内的这些潜在的危险和使人分心的事情也是事故发生的原因，但是经常被人们忘记，所以需要我们给予更多的关注，故选C项。

　　答案：C　

　　B

　　Insects trapped in fossilized amber (琥珀)

　　for tens of millions of years have provided the key to creating a new generation of antibiotic drugs that could start a war against modern diseases. Scientists have isolated the antibiotics from microbes(微生物) found either from these insects or in soil particles trapped with them when they were caught by sticky tree risen up to 130 million years ago.

　　Present­day

　　antibiotics

　　have

　　nearly

　　all

　　been isolated from microbes that use them as a form of defense against their enemies and competitors.

　　But since the introduction of antibiotics into medicine 50 years

　　ago,

　　an

　　alarming

　　number

　　have

　　become ineffective because

　　many

　　bacteria have

　　developed resistance to the drugs.

　　Research over the past two years has uncovered at least four antibiotics from the microbes and one has been able to kill modern drug­resistant bacteria that can cause potentially deadly diseases in humans.

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