问题
单项选择题
柴油的发火性好坏决定其（）值，其值越高，发火性就越好。
A.辛烷
B.十六烷
C.凝点
D.粘度
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
柴油的发火性好坏决定其（）值，其值越高，发火性就越好。
A.辛烷
B.十六烷
C.凝点
D.粘度
参考答案：B
Food is very important.Everyone needs to well if he or she wants to have a strong body.Our minds also need a kind of food. This kind of food is .We begin to get knowledge even when we are very young.Small children are in everything around them.They learn while they are watching and listening.When they are getting older,they begin to story books,science books...,anything they like.When they find something new,they love to ask questions and to find out the answers. What is the best to get knowledge?If we learn ourselves,we will get the most knowledge.If we are getting answers from others and do not ask why,we will never learn well.When we study in the right way,we will learn more and understand .
|
