阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

Since the one-baby policy __小题1:____(carry) out in China, Chinese families have been shrinking from one with over 10 members to the other with only three including parents and baaby. Things are usually out of our expectation. Apart from the benefits ___小题2:____ have been mentioned enough, small families are now beginning to have ___小题3:___own problems. Because parents are having fewer children, they increasingly feel the need ___小题4:____(control) the lives of those children. As a result, many children are becoming less ___小题5:____(depend), determined and ambitious than in the past.

Parents today discourage their children from doing housework, extracurricular activities and socializing ___小题6:___ they fear it will interrupt their education. For example, when I was younger I wanted to learn the guitar ___小题7:___ my parents wouldn’t allow me because they believed it would distract me from my studies. They are happy as long as I perform ___小题8:___(wonder) in my exams but don’t seem concerned about how I develop ___小题9:___ a person.

To some extent, I understand parents’ concerns, but I think they should love their children for __小题10:__ they are, not what they want them to be. We deserve the chance to chase our own dreams and learn on our own. Even if we fail, we can learn from those failures.

电控柴油机取消了机械式调速器，改用由（）组成的电子调速器。

A.传感器

B.电控单元

C.滑阀

D.执行器