皮皮学，免费搜题
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【多选题】
可做为漱口的溶液有:A.
2％ 3％过氧化氢
B.
4％ 5％硼酸溶液
C.
1％ 4％碳酸氢钠
D.
0.002％呋喃西林
E.
0.1％醋酸
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举一反三
【单选题】There are _______ days in a year.
A.
three hundred sixty-five
B.
three hundred and sixty-five
C.
three hundred and sixty –five
D.
two hundreds and sixty-five
【单选题】There are _________days in a year. A. three hundred sixty-five B. three hundreds sixty-five C. three hundred and sixty-five D. three hundred sixty five
A.
three hundred sixty-five
B.
three hundreds sixty-five
C.
three hundred and sixty-five
D.
three hundred sixty five
【单选题】提出细胞学说的是
A.
Robert Hooke和Leeuwen Hoek
B.
Crick和Watson
C.
Schleiden和Schwann
D.
Sichold和Virchow
E.
Avery和Flemming
【单选题】提出细胞学说的科学家是:
A.
Robert Hooke和Leeuwen Hoek
B.
Crick和Watson
C.
Schleiden 和Schwann
D.
Sichold和Virchow
【单选题】Three hundred multiples of three are picked at random, and three hundred multiples of four are picked at random. Approximately what percentage of the six hundred selected numbers are even?
A.
100%
B.
75%
C.
66%
D.
50%
E.
33%
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