每日外刊精选精读
高考词汇短语精练:
1. ____________ n. 进化 ____________________ 进化论
2. ____________ adv. 本质上,根本上,基本上(____________ or ____________) ____________________________________ 他说的基本上是对的。 3. ____________ 保护层 ____________ n. 外层物质;外套 _______________________ 给一堵墙上漆
4. ____________ n. 复制 ____________ v. 复制
Computer viruses ____________ ____________ and are passed along from user to user. 计算机病毒自我复制并从一个用户的计算机传到另一个用户的计算机上。 5. ____________ adj. 抗病毒的 anti- 反抗的,对立的
____________ adj. 病毒的 ____________ 病毒性感染 ____________ 某物得到了病毒式传播
His video has now ____________ with millions of views. 他的那段小视频得到了病毒式传播。 6. ____________ 抗细菌药物
7. ____________ adj. 分子的 ____________ n. 分子
8. ____________ adj. 零星的,不完整的 (existing only in small parts and not complete) ____________ n. 碎片,碎块
____________ adj. 支离破碎的,分裂的 This industry is _______________________. 这个行业的集中度非常低。
9. ____________ vt. 探查,探测(to examine sth. with a tool, esp. in order to find sth. that is hidden)
10. ____________ n. 疫苗 ____________ v. 接种疫苗 ____________ 给某人接种某疫苗
All the children _______________________ the major childhood diseases. 孩子们接种了预防主要儿童疾病的疫苗。 ____________ n. 接种疫苗
________________________________________________ 在冬天打流感疫苗是非常有必要的。
____________________________________. 预防要比治疗好。
_______________________________________________. 防患于未然。(一盎司的预防抵得上一磅的治疗。) 11. ____________ n. 覆盖率
(答案参见精读文档生词好句)
每日外刊精选精读
语法填空:
阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Disease evolution: our long history of fighting viruses
A virus is ___1___ (essential) an information system (encoded in DNA or RNA) surrounded by a protective coat and shaped by evolution to ensure its own replication and survival. Antiviral drugs tend to be unique for the particular virus, ___2___ closely related family of viruses. This ___3___ ( make) them much less available than antibacterial drugs. Humans have a deep history of viral infections, but other than the molecular ___4___ (analyze) of current or recently circulating pathogens, the data is fragmentary. That may change as researchers probe ___5___ (many) ancient DNA from Egyptian mummies, ___6___ there is evidence of lethal tuberculosis and malaria (neither of which is viral) ___7___ (date) 1,500 to 4,000 years back. The evidence so far suggests mummies suffered ___8___ smallpox and polio. Using vaccination and other disease control measures, we have eliminated two virus infections that have, through the ages, ___9___ (cause) massive economic damage and loss of life: human smallpox (1980) and bovine rinderpest (2011). Another scourge, polio, is close to eradication. But problems remain with vaccine coverage (and the ___10___ (safe) of the medical teams) in regions that are essentially war zones.
答案:1. essentially 2. or 3. has made 4. analysis 5. more 6. where 7. dating 8. from 9. caused 10. safety