第Ⅱ卷（非选择题两部分共35分）

第四部分短文改错（满分10分）

Have you ever heard from the saying: All work and no        76．      

play make Jack a dull boy? What this means is that if you  77．      

study all the times you will become a boring person. You   78．      

must go out and having fun with your friends, otherwise    79．      

you will lose him. No one wants to be friends with the          80．      

person who that only works and studies. Perhaps you have  81．      

a confidence problem. Please try remember that the work   82．      

you do is for yourself rather than for anyone else. You do   83．      

not have to compete your classmates. No one can be      84．      

happier in studying seven days and seven nights a week.     85．      

溯源性指任何一个测量结果或计量标准的值，都能通过一条具有规定不确定度的连续比较链，与( )联系起来。

A．标准物质

B．量值传递

C．计量基准

D．测量标准