逆转录病毒RNA并不需要插入寄主细胞的染色体也可完成其生命循环。
A. 对
B. 错
British Renaissance breeds a lot of great writers,among whom are.(北京第二外国语学院2007年考研题)①William Shakespeare ②John Milton ③Edmund Spenser ④Geoffrey Chaucer
A. ①②③
B. ①③
C. ①②④
D. ①②3④
Francis Bacon,one of the most important British essayists,was active in the.(北京第二外国语学院2010年考研题)
A. Middle Age
B. Anglo-SaxonPeriod
C. English Renaissance
D. Victoria Age
The termoriginally indicated a revival of classic Greek and Roman arts and sciences after thedark ages of medieval obscurantism.(北京交通大学2006年考研题)