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图4号和5号再生一个女孩的可能性____(>50%、<50%、=50%) 此题出自2015年湖南株州中考生物真题及答案,2015年湖南省株州市中考生物试题 模拟实验“精子与卵细胞随机结合”的基本做法为:用30颗白围棋子,10颗黑围棋子按一定原理装入两纸盒中,每次从两纸盒中各摸取一颗围棋子,记录白白、黑白的组合数量如下表,请分析作答: 分组模拟实验结果统计记录表 1组 2组 3组 4组 5组 6组 7组 8组 9组 10组 合计 比例 白白 2 6 3 5 4 9 6 5 7 5 黑白 8 4 7 5 6 1 4 5 3 5 图4号和5号再生一个女孩的可能性____(>50%、<50%、=50%)
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参考答案:
举一反三
【单选题】According to the passage, Toshiba ______.
A.
is in critical competition with KDDI
B.
will probably beat its rival
C.
attaches great importance to methanol fuel
D.
is one of the largest battery provider
【简答题】Toshiba( )
【简答题】人体生理功能的调节方式有哪些?各有何特点?
【简答题】人体生理功能的调节方式有哪些?其各自的特点?
【单选题】My English teacher ______ me to try for a position at university.
A.
insisted
B.
persisted
C.
encouraged
D.
proposed
【简答题】生理功能的调节方式有哪些?各有什么特点?
【单选题】听力原文:Japanese electronics maker Toshiba said Monday that it was buying nuclear plant builder Westinghouse Electric, the US-based unit of the British government's British Nuclear Fuels, for US $5.4 bil...
A.
The acquisition of British Nuclear Fuels by Toshiba
B.
The acquisition of Westinghouse Electric by Toshiba
C.
Toshiba's expansion in nuclear power business.
D.
Toshiba's embarking on nuclear power business.
【单选题】()提出了知识就是力量。
A.
培根
B.
但丁
C.
哥伦布
D.
拉伯雷
【简答题】提出了“知识就是力量”这一口号的科学家是( )。
【单选题】According to Nishida, the current buying decision by Toshiba is a response to ______.
A.
fierce competition in nuclear power business
B.
failure in other businesses like semiconductors and DVD players
C.
popularity of nuclear power around the world
D.
expected increase in market demand for nuclear power generation
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