管得越多的政府越是好政府。（）
参考答案：错
— How long has he ______ ill?
— About a week. He ______ ill five days ago. [ ]
A. fallen; was
B. been; felt
C. been; fell
D. fallen ; fell
当汽车司机发现紧急情况突然刹车时，车内的乘客会向前倾倒，请你应用所学过的物理知识解释，这是为什么？
