显的，符合句意。

11．He had a talent for music and was________ conductor of Shanghai Symphony Orchestra at the age of 30.

A．assigned B．appointed

C．recommended D．honoured

答案　B

解析　句意为：他有音乐天分，并且在30岁时被任命为上海乐团管弦乐队的指挥家。assign分配，分派；appoint任命；recommend推荐；honour授予荣誉。

12．As is known to all，it is teachers and parents who will have a big________ on the development of children.

A．change B．affection

C．influence D．impression

答案　C

解析　句意为：众所周知，是老师和父母对孩子的发展产生巨大影响。Have an influence on对......产生影响。

13．He ___________ live in the countryside，but he________ living in the city since he moved there.

A．was used to；used to

B．used to；is used to

C．used to；has been used to

D．was used to；was used to

答案　C

解析　句意为：他过去住在乡下，但自从他搬到城市他已经习惯了那里的生活。used to do...表示"过去常常......"；be used to (doing) sth.表示"习惯于(做)某事"，且依题意知应用现在完成时。

14．I want to buy a digital camera online. Can you show me_________ the website?

A．search B．to search

C．how to search D．what to search

答案　C

解析　此处考查"疑问词＋to do"，排除A、B两项；此处应是"如何搜"，表示方式，故选C项。