单词拼写。

1. Book 1 is compulsory while Book 7 is ________ (选修的).

2. Your actions _________ (与…矛盾) your declared moral principles.

3. I was elected an excellent League member for three _________ (学校的) years.

4. ________ (修改) the compositions is really a difficult job for me.

5. You'd better familiarize yourself with the laws and customs of your _________ (目的地) country.

机动车维修技术人员应当按照维修规范和程序作业，不得有（）行为。

A．擅自扩大维修项目

B．使用假冒伪劣配件

C．擅自改装机动车

D．承修已报废的机动车

E．利用配件拼装机动车