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【单选题】
Sentences: Direction: Choose the choice that best expresses the highlighted sentence. ( 4x5=20 points, 20% ) Charles Darwin published The Origin of Species. He wrote that life forms change in response to their environments. His theory of natural selection caused a major change in science. But this challenged religious beliefs. His theory said that life evolved. God was not responsible for the life we see today. Which of the following best expresses the essential Information in the highlighted sentence?A.
According to Darwin, particular environments cause life forms to change.
B.
Darwin wrote that life forms change the environments around them.
C.
According to Darwin, change is the essence of life forms.
D.
Darwin wrote that life forms change spontaneously.
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【简答题】简述原子吸收光谱产生的原理,并比较与原子发射光谱有何不同?
【单选题】By using new foreign textbooks, we could not only learn the right expression of business ideas, but also we will know the lastest developments in the business world.
A.
but also will know the lastest
B.
but also know the lastest
C.
but also know the latest
D.
but also come to know the latest
【单选题】In the last part of the text, the expression "new dawn" means the beginning of _______.
A.
a period when we have used up all the energy stored on earth
B.
a new revolution in science and technology
C.
a new revolution in agriculture and industry
D.
a period when renewable sources provide all the energy we need
【单选题】以下叙述中正确的是
A.
在 scanf 函数中的格式控制字符串是为了输入数据用的，不会输出到屏幕上
B.
在使用 scanf 函数输入整数或实数时，输入数据之间只能用空格来分隔
C.
使用 printf 函数无法输出百分号 %
D.
在 printf 函数中，各个输出项只能是变量
【单选题】下叙述中正确的是
A.
在scanf函数中的格式控制字符串是为了输入数据用的，不会输出到屏幕上
B.
在使用scanf函数输入整数或实数时，输入数据之间只能用空格来分隔
C.
在printf函数中，各个输出项只能是变量
D.
使用printf函数无法输出百分号%
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