题目内容
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[主观题]
（Carbohydrates/Axunge) are molecules of carbon, hydrogen and oxygen produced by plants through photosynthesis.
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发布时间：2022-01-07
题目内容
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第2题
“While the increase in carbon dioxide in the atmosphere is the main effect of global warming, there are other effects as well. For example, there is a marked increase in infectious diseases that have changed their range in the past few years. Cases of malaria and dengue fever have occurred as far north as New York, New Jersey and Michigan in recent years, and diseases such as encephalitis and becoming more common. The sea level has changed, affecting low-lying areas and destroying beaches and wetlands around the world. Glaciers and snow cover are gradually disappearing on all five continents. And finally, plant and animal populations are shifting and migration patterns are changing as species try to adapt to changing climates. Some species that are unable to adapt successfully have begun to decline. More severe weather events, such as droughts and flooding, are also a consequence of global warming, and a warning that action must be taken to preserve the environment now.” (From “The Sierra Club Global Warming Campaign” in J. Buckley, ed., The Harbrace Reader for Canadians, p. 273) From what perspective does the passage discuss global warming?
A、First-person narrator
B、Second-person narrator
C、Third-personal narrator
D、None of the above
第3题
When results and behaviors are obviously related, which approach to measuring performance is most appropriate?
A、Trait approach
B、Results approach
C、Orthodox approach
D、Behavior approach
第4题
A homogeneous disk rests on a smooth horizontal surface. If a couple formed by 
and 
is applied on the disk, there should be no displacement for the disk center. 
and is applied on the disk, there should be no displacement for the disk center.
第6题
If oxygen equipment is not used, the limen altitude （阈限高度）inducing hypoxic hypoxia for most people is（ ）
A、15000 feet
B、1000 feet
C、10000 feet
第8题
3. It is known that genes D, E and F are located on a same chromosome orderly. The gentic distance of D—E and E—F are 20cM and 20cM, respectively. When doing the testcross of the progeny of cross DDEEFF × ddeeff, in the offspring, we found that there wer 2% DdeeFf and 2% ddEeff. Can you determine what the coefficient of coincidence is?
A、1
B、0.5
C、0
D、can not determine
第9题
There are 3 types of cells and batteries: primary cells, secondary cells, (fuel cells / recharging cells).
