细胞一词首先由哪位科学家提出的?() A: Z·Janssen B: R·Hooke C: A·VonLeeuwenhoek D: R·Brown E: Dujerdin

最早观察到活细胞的学者是：（） A: A·V·Leeuwenhoek B: R·Hook C: R·Brown D: C·Darvin E: W·Flemming

最早发现细胞并将其命名为“cell”的学者是( ) A: R·Hook B: A.Leeuwenhook C: R·Brown D: W·Flemming E: C.Darwin

She has a jacket. A: leather brown beautiful B: leather beautiful brown C: eautiful brown leathe D: eautiful leather brown

【单选题】My name is John Brown.____is my first name,____is my last name. A. John;Brown B. Brown;John C. John Brown;John Brown D. Brown;John Brown

The pretty woman has _____ hair. A: long brown B: own long C: a long brown D: a brown long

最早观察到活细胞的学者是 A: R．Hook B: A．Leeuwenhook C．R．Brown D．W．Flemming E．C．Darwin C: R．Brown D．W．Flemming E．C．Darwin D: W．Flemming

______ and the lesson began. A: In came Mr Brown B: Mr Brown in came C: In came he D: Came in Mr Brown

Have you invited _________? A: the Browns B: the Brown’s C: Brown’s D: the Browns’

下面代码的输出结果是（ ）。 s=("seashell","gold","pink","brown","purple","tomato") print(s[1::2]) A: ("seashell","pink","tomato") B: ("seashell","gold","pink","brown","purple","tomato") C: ('gold', 'brown' ) D: ('gold', 'brown', 'tomato')