第5题: [多项选择]ACgT—2型个体粉尘采样器具有()等优点。 A. 既能测总粉尘,又能测呼吸性粉尘 B. 快速直读,操作简单,维护方便 C. 既能间断性测尘,又能连续测尘 D. 连续时间大于8小时,且体积小,质量轻(350g),便于携带 E. 适合矿内个人佩带测尘用 参考答案:A, C, D, E
A. we plant more trees B. we return to nature C. natural sciences be taught to everybody D. environmental education be directed to everyone 参考答案:D 答案解析:[解析] 事实细节题。文章第三段在提到改正祖先的错误后说Conservation should, therefore, be made a part of everyone's daily life,