读下列教材原句并感知黑体部分的特点。
1．Going from junior high school to senior high school is a really big challenge．
2．The first week was a little confusing．
3．First, I had to think very carefully about which courses I wanted to take.
4．My adviser recommended that I should sign up for advanced literature because I like English and I'm good at it.
5．The main purpose of the course is to help improve each student's reading ability.
我的发现：
(1)句1中__名词__短语a really big challenge在句中作__表语__；
(2)句2中__形容词__短语a little confusing在句中作__表语__；
(3)句3中__副词__短语 very carefully在句中作__状语__；
(4)句4中__名词__短语 advanced literature在句中作__宾语__；
(5)句5中__名词__短语 The main purpose of the course在句中作__主语__。
