Unit 1
　　survey 调查；测验
1 add up 合计
add up all the money that I should pay you
把我应该付你的钱合计起来
2 upset adj. 心烦意乱的；不安的，不适的
I'm always upset when I am not around you
我不在你身边时总是心烦
3 ignore不理睬；忽视
We could ignore him
我们可以不理会他
he doesn't ignore advice
他不轻视别人的意见
4 calm vt.&vi.（使）平静；（使）镇定 adj.平静的；镇定的；沉着的
You should keep calm even in face of danger.
即使面临危险，你也应当保持镇静
The sea was calm
海面很平静
5 calm（……）down （使）平静下来
I told myself to calm down.
我告诫自己要冷静下来
6 have got to 不得不；必须
I have got to study hard in o ...