影响态度形成的因素有（）
A、遗传
B、团队
C、经历
D、父母
参考答案：A, B, C, D
在闭区间[0，2]上任取两个实数，则它不大于1的概率是 ______．
Some of my friends are interested in science, but none of them can tell ____________.
A．when UFOs appear next time
B．if horses know the way or not
C．where was this kind of plant found
D．how elephants communicate
