试题题干
Translate the following sentence into Chinese.
Several countries have developed integrated school and preschool health education programs which have successfully reduced girls’ smoking rates
参考答案
试题解析
考点：integrated school 综合学校；preschool health education program 学前保健教育计划。
句子结构：which引导定语从句，先行词为integrated school and preschool health education programs。