【答案】　C

　　4．What can we infer from the last paragraph?

　　A．The process of the study still has a long way to go.

　　B．The potential threat of the bacteria does great harm to animals and humans.

　　C．The study is of great significance.

　　D．Scientists are studying further information about the microbes.

　　【解析】　推理判断题。根据最后一段内容可知，对这种微生物的研究既可让科学家更好地了解它们对人类和其他海洋生物的潜在威胁，又可以帮助降低海洋塑料污染的影响。由此可推知，对这种微生物的研究很重要。故答案选C。

　　【答案】　C

　　Ⅴ.完形填空

　　Drama and the performing arts are excellent methods of building confidence in children and adults alike.Learning drama allows children to __1__ their creativity and have fun while leaving their __2__ and worries behind.Drama also works by supporting the growth of imagination and other skills.

　　Entertainment has become rather passive with __3__， television and video games becoming more popular.These screen­based methods have had a __4__ effect on communication.They prevent children communicating with others.__5__， drama puts the children enthusiastic about communication back into entertainment.Children have the opportunity to __6__ with others in a more meaningful way __7__ drama encourages speech development, awareness of body language and allows children to become more __8__ aware.

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