1 . Don’t put too much s________ on kids. After all, they are still young. (根据首字母单词拼写)

2 . It was a c________ that he was born on his mother’s birthday. (根据首字母单词拼写)

3 . Lack of confidence is a psychological b________ to success. (根据首字母单词拼写)

4 . It is the ________ in this country to go out and pick flowers on the first day of the spring．

A．use	B．custom
C．habit	D．normal

5 . In case of emergency, whether knowing how to apply first aid or not really ________ in matters concerning wounds like swollen wrists, broken arms, burns, cuts, and so on.

A．makes difference	B．makes a difference
C．makes differences	D．makes different