A：well
B：better
C：best
D：the best
如表是市场上销售的一种常见氮肥的包装说明书。请阅读有关内容后，回答下列问题：
（1）NH4Cl和K2SO4都是可作化学肥料的物质。虽然它们没有共同的组成元素，但在物质（化合物）的分类中它们同属于____类（填“酸”、“碱”、“盐”、“氧化物”）。（2）化学肥料通常所说的“含氮量”中的“氮”是指____（填序号）。A．氮分子 B．氮原子 C．氮离子 D．氮元素（3）请根据上述氮肥的保存方法，推测NH4Cl的性质之一____。
根据所听内容和表格中的提示词，从下列各题所给的A、B、C三个选项中选择最佳选项。
An Experience of Watching a Movie
Time
Last weeked
Event
I went to cinema to watch journey to the west with ( 1 ) .
Result
Some of the people there made me feel very ( 2 ) .
Causes
①A few guys were ( 3 ) loudly or even shouting.
②Some people threw away plastic bags, ( 4 ) and other rubbish.
Advice
All of us are supposed to obey the rules ( 5 ) .
learn about, a few, come back, be over, thousands of, look for
