单项选择题

What would happen to inherited characteristics in the next generation in the process of natural selection

A．Inherited characteristics that decrease an organism's chances of living and reproducing will be more common.
B．Inherited characteristics that increase an organism's chances of living and reproducing will be less common.
C．Inherited characteristics that increase an organism's chances of living and reproducing will remain the same.
D．Inherited characteristics that decrease an organism's chances of living and reproducing will be less common.
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单项选择题
It is implied rather than clearly stated in the first paragraph that______.
A．science is concerned about the natural world
B．technology is the result of applied science
C．a scientist is a cultivator of science
D．the scientific method is indispensable in the pursuit of science
单项选择题
Which of the following is the most important in the steps in the scientific method
A．Collecting and organising the facts.
B．Stating a hypothesis.
C．Testing the hypothesis,
D．Publishing the theory.
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