内容正文:
单词默写
1. tap
n.
(自来水、煤气灯的)龙头
2. tape
n.
磁带;录音带
3. task
n.
任务,工作
4. technology
n.
技术
5. teenager
n.
(13一19岁的)青少年,十几岁的少年
6. temperature
n.
温度
7. temple
n.
庙宇,寺院
8. term
n.
学期
9. theatre(美theater)
n.
剧院,戏院
10. thick
adj.
厚的;浓的
11. thirsty
adj.
渴
12. thought
n.
思想,想法
13. through
prep.
穿(通)过;从始至终
14. throughout
prep.
遍及;贯穿
15. tie
n.
领带,结
v.
vi.
(用绳、线)系、栓
16. tiger
n.
老虎
17. till
prep.&conj.
直到;直到……为止
18. tip
n.
尖端;提示;小费
19. title
n.
标题,题目
20. tool
n.
工具
21. topic
n.
题目,话题
22. toward(s)
prep.
向,朝,对于
23. tower
n.
塔
24. traditional
adj.
传统的
25. translate
v.
翻译
26. transport
v.
运输,运送
27. trick
n.
恶作剧;诡计,花招
完型填空
(一)
Can we have too many friends.'?
How many friends do you have? Making a lot of friends makes you popular at school. Also, whenever you want to find someone for help, there is always a certain friend there. Now scientists suggest that parts of the brain in those with more friends are larger than those with 75 friends.
Scientists have studied the connection between brain size and social interactions(社交互动) on monkeys. They found that parts of the brain in more sociable monkeys were larger. They were better 76 predicting the intentions (意图) of other monkeys.
As for humans, the researchers at McGill University, Canada, studied the differences between those with larger social groups, and those with smaller groups. The researchers studied 18 people. In order to 77 the size of each person's social group, the people were asked how many social interactions they'd had in the past month.
Then researchers looked at brain scans(扫描). They found that, just like monkeys, parts of the brain in humans with larger social groups were larger.
Although scientists need long-term studies to work out 78 social interaction caused these changes in the brain, they were sure about one thing: Some brain regions(区域) that are larger suggests other regions might be smaller, lead scien