先复习群里 Unit 4（2）词汇，完成以下选择题，每题1分，共32 题。
比赛；种族
chemist
race
department store
百货公司
bean
question
department store
专辑；相册
album
fall-fell-fallen
fine
坚硬的；困难的
comfortable
hard
magazine
有趣的
interesting
chemist
department store
落下；跌倒（fall的原形-过去式-过去分词）
fall-fell-fallen
speaker
lake
舒适的
dangerous
comfortable
sad
膏药；灰泥；创可贴
plaster
fall-fell-fallen
fine
珠宝；首饰
jewellery
magazine
poster
看起来生气
jewellery
look cross
trainers
紧身裤；连裤袜
tights
trainers
look cross