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【单选题】
下列哪一项不是种群的特征（）A.
种群密度
B.
出生率和死亡率
C.
年龄组成
D.
水平结构
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反馈参考答案：
举一反三
【多选题】Excel的每个单元格都有其固定的地址，如A5单元格表示的含义不正确的是
A.
“A5”代表单元格的数据
B.
“A”代表第A行，“5”代表第5列
C.
“A”代表第A列，“5“代表第5行
D.
“A5”只是两个任意字符
【单选题】Excel的每个单元格都有其固定的地址,如"A5"表示()。
A.
"A"代表"A"列，"5"代表第"5"行
B.
"A"代表"A"行，"5"代表第"5"列
C.
A5只是两个任意字符
D.
"A5"代表单元格的数据
【简答题】Man
cannot help craving for expression any more than birds can help singing.____
【单选题】Excel的每个单元格都有其固定的地址,如“A5”表示 。
A.
“A5”代表单元格的数据
B.
“A”代表“A”行，“5”代表第“5”列
C.
“A”代表“A”列，“5”代表第“5”行
D.
A5只是两个任意字符
【简答题】A．Her hometown doctor works at thestudent health center. B．She cannot help the man choose a doctor. C．She didn't know she needed a physical exam to play basketball. D．The man should visit a doctor in ...
【简答题】A．Her hometown doctor works at thestudent health center. B．She cannot help the man choose a doctor. C．She didn't know she needed a physical exam to play basketball. D．The man should visit a doctor in ...
【单选题】The sentence 'He cannot help it' (Para. 3, Line l) most probably means ' ______'.
A.
man cannot avoid destroying the environment
B.
man cannot obtain resources he needs from other planets
C.
man cannot survive for a long time
D.
man cannot help to create a new environment
【单选题】He is such an unselfish man. You cannot help but ________ him.
A.
respect
B.
to respect
C.
neglect
D.
to neglect
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