CBBA
1.根据文章内容Some schools are worried that children might become fat or eat unhealthy food, so they have banned(禁止) cupcakes altogether.可知答案为C
2.根据文章内容Birthday kids can donate a book. The headmaster of their school will then read it to their class. The headmaster also hands out birthday certificates(证书),可知答案为B
3.根据文章内容大意可知答案为B
4.根据文章内容The headmaster says it’s important that the school should be not only teaching, but offering healthy choices to kids. “可知答案为A