5．G　由后面的关键词hot chocolate可知选G。

　　.语法填空

　　阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

　　(2015·山东模拟冲刺卷)

　　There are two factors __1__(determine) an individual's intelligence. The first is the sort of brain he is born __2__. Human brains differ __3__(consider), some being more capable than others.__4__ however good a brain he has to begin with, an individual will have a low intelligence unless he has opportunities to learn. So the second factor is what happens to the individual—the sort of environment __5__ he is brought up. If an individual is handicapped(受阻碍) environmentally，it is __6__(like) that his brain will fail to develop and he will never attain the level of intelligence of which he is capable.

　　The importance of environment in determining an individual's intelligence can __7__(show) by the case of the twins, Peter and Mark. When the twins were three months old, __8__ parents died, and they were placed in separate foster homes. Peter was brought up by parents of low intelligence with poor __9__(education) opportunities. Mark was educated in the home of well­to­do parents __10__ had been to college. This environmental difference continued until the twins were in their late teens, when they were given tests to measure their intelligence. Mark's I．Q. was 125, twenty­five points higher than the average and fully forty points higher than his twin brother.

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