2022英语周报HFW答案

5.C解析:丙肝病毒寄生在活细胞内,合成RNA、蛋白质的原料由寄主细胞提供,A项正确;丙肝病毒的遗传物质是单链RNA结构不稳定,易发生变异,导致丙肝疫苗的硏制困难较大,B项正确;丙肝病毒的RNA中,中间的核糖均与两个磷酸残基相连,3′端的核糖只与一个磷酸残基相连,C项错误;根据碱基互补配对原则,过程①消耗的嘧啶核苷酸数等于过程②消耗的嘌呤核苷酸数,D项正确

写作Paragraph lAnd not very long after that, he made a surprising decision. Hedecided to use all hghts to prepare for his li fe at the remoteisland. In the first year he sent troops, veterinarians and animalrainers to kill the wild animals or train them for good use. Thetask was so huge but it was wor thwhile then the king sent a lot offarmers to start a wide rice field and began to grow rice. Next head many facilities, from hospi tal to school, built.【高分句型一】After that he sent a lot of educated people there. At last he sentall his families to the island.(岛屿的建设和发展)Paragraph 2Finally the time came when the king had to be thrown away to thesland.【高分句型二】 Wi th many strong soldiers catching him,hesmiled. He had prepared every thing for the final day.When he was sent to the island, the is land had taken on a new lookEverybody there lived a comfortable life and the king was welcomedwarmly by his people. They cheered, long live the wise kingThe wise king lived happily ever after. The clever people live nown the world to prepare for their life in the future.(国王最终在自己的岛屿上生活)

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