阅读表达.阅读下面短 阅读表达.阅读下面短文,并根据短文后的要求答题(请注意问题后的字数要求).      [1] He
1个回答

1.Adults are not willing to say hello.

2.School went from impersonal to personal,and that resulted in more class participation and better grades.

3.saying hello to each other/ greeting each other/ saying hello

4.①lowering blood pressure ②relieving stress ③boosting happiness

5.不管出于什么原因,我在城里打招呼得到的回应比在乡村少得多.

答案不唯一