小题1:B
小题2:A
小题3:A
小题4:B
小题5:B
小题1:根据文章内容可知答案为B
小题2:根据文章内容He finds they are in different colours. One is blue but the other is green可知答案为A
小题3:根据文章内容大意可知答案为A
小题4:根据文章内容He finds they are in different colours. One is blue but the other is green可知答案为B
小题5:根据结尾内容可以判断答案为B