根据所给单词或短语的首字母提示完成句子。

1. Danny put a big _____ (spoon) of sugar to his mouth.

2.Wars always bring s_____(痛苦)to people.

3.We shouldn't take away the things which don't b__________(属于) us.

4. What s_____ (影响) you in your life?

5. Mother is going to s_____(提供) more delicious food for my birthday.

在某次实验时，测得骨骼的密度为0．3，测得其相邻肌肉组织的密度为1．5，二点间距1mm。

该影像的锐利度为（）.

A.1.0

B.0.3

C.1.5

D.1.2

E.-1.2