关于课程目标的水平研究最为著名的是（）
A．泰勒
B．杜威
C．布卢姆
D．布鲁纳
参考答案：C
解析：布卢姆的课程目标的水平研究最为著名。
用所给词的适当形式填空
1. Lily isn't tall enough _________ (reach) the apples on the tree.
2. She found it difficult _________ (finish) her homework before 8 pm.
3. You'd better _________ (tell) me the news now.
4. Could you please give me some _________ (advice)?
5. I saw Betty _________ (read) in the classroom when I walked past.
通过( )来从源头上减少事故发生，是保障交通安全的最佳手段。
A．车辆
B．驾驶
C．行人
D．设计
