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【判断题】
用酒精作消毒剂,酒精的浓度越大消毒效果越好。A.
正确
B.
错误
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【单选题】— You must have seen the great waterfall there. — Sure. It is really a wonder, _____ that still seems right in front of me. [ ]
A.
one
B.
it
C.
that
D.
which
【单选题】Eventually, she has recognized ____, whatever happens and however bad ____ seems today, life still goes on and everything will be better tomorrow．
A.
that; it
B.
it; that
C.
it; what
D.
that; what
【单选题】Although dishonesty seems so common in recent years, people still believe that honesty will not go out of ．
A.
style
B.
order
C.
balance
D.
shape
【单选题】下列关于细胞周期叙述,正确的是。( )
A.
成熟的生殖细胞产生后立即进入下一个细胞周期
B.
机体内所有的体细胞处于细胞周期中
C.
抑制DNA的合成,细胞将停留在分裂期
D.
细胞分裂间期为了细胞分裂提供物质基础
【单选题】设随机变量 X 服从区间 (2,5) 上的均匀分布,求对 X 进行 3 次独立观测中,至少有 2 次的观测值大于 3 的概率( )
A.
11/27
B.
18/27
C.
20/27
D.
25/27
【单选题】According to the periodic table, still some elements undiscovered.
A.
there seem to be
B.
it seems to be
C.
it seems that
D.
here seem
【单选题】能够较为准确地解释带上下影线的阴线的含义是( )。
A.
多方占绝对优势
B.
空方占绝对优势
C.
多空双方争斗激烈，但空方占了优势
D.
多空双方争斗激烈，但多方占了优势
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