1. i prefer your method to his___________(因为我觉得你的更实际).

2. the headmaster called on all of the students to________ (积极参加校运会).

答案解析:

1. 答案: because i think yours is more practical

详解:

考查原因状语从句: 本句还可用in that引导，because和in that表示原因的语气最强，该句强调说明“更喜欢你的方法的原因”，"as, since, for”也可引导原因状语从句，但不强调原因，而只是顺带说明。

考查宾语从句: i think 后接的成分属于宾语从句。

考查"实际"的表达: practical

2.答案: participate in the school sports meeting actively.

详解:

考查固定短语: “积极参加”可表达为participate in...actively, 还可用take part in ...actively。

考查常见表达: “校运会"译为school sports meeting