题目内容
4．-Do you like chemistry？-Yes，but just a little．It is much ________than physics．（ ）
| A． | difficult | B． | more difficult | ||
| C． | the most difficult |
分析 -你喜欢化学吗？
-是的，但仅仅是有点儿喜欢．它比物理更难．
解答 答案：B
根据关键词than 可知，这是两者之间的比较，应该用比较级形式；又根据much+形容词或副词的比较级，表示"更…"，此处意思是"更难"，形容词difficult的比较级是more difficult，故选B．
点评 注意英语中有些词用来修饰形容词或副词的比较级形式，这些词有much/a little/even/far/a lot等．
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