Which of the following is NOT true about science？
A. Science accepts uncertainty.
B. Science does not push people to follow any specific set of moral rules.
C. Science teaches us to weigh different evidence.
D. Science urges us not to accept any beliefs or ideas.
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Another big issue_____the nation is the problem of the education of its Citizens.
A. confining
B. illiterating
C. conforming
D. confronting
【C13】
A. it
B. that
C. what
D. there
According to the article,what causes a star to die？
As its gases run out, it cools down.
B. It collides with other stars.
C. It can only live for about a million years.
D. As it gets honer and hotter, it explodes.
动作技能的教学一般宜采用示范法。（）
A. 正确
B. 错误
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