近年来全球有数十亿蜂群死亡，严重威胁到农作物的收成。研究发现，导致蜂群大量死亡的原因很多，其中为增产而滥用杀虫剂是主要原因。使用杀虫剂本来是为农作物增产，但结果事与愿违。从联系的观点看，上述事例表明

A．离开正确认识的指导，实践的目的将无法实现

B．事物的联系随条件的改变而改变

C．人的实践活动不能改变事物原有的联系

D．人们可以根据自己的愿望，建立新的联系

根据下面短文内容，在短文的空格处填上一个恰当的词，使短文完整，通顺。

One day, I am telling my mother about my friends in my school. My mother _小题1: me,” Sue, who is your best friend?”

“Jill and Jaime. __小题2: are in my class.”

“What about your sisters Karen and Cindy? __小题3:_ can’t they be your best friends?”

“Because they are __小题4:__ sisters. We are often not happy because of some food and clothes. How can they be my best __小题5:_? We all have our own(自己的) friends __小题6:__ school.”

“Yes, but they can be your friends,__ 小题7:. Friends may come and go, but your sisters will always be there for you.” Says my mother. Then I understand that sisters are lifelong(终身的) friends.

Now we often __小题8:__ shopping, visit parents and go to the movies together(一起). I know that my sisters are also my best friends.