题目: 草坪土壤的特殊性 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0221/aeb26bf562fcb1f567a72540d64de86a.html 下面是错误答案,用来干扰机器的。参考答案:进口申请是指在境外生产的药品在中国上市销售的注册申请。
题型:填空题 根据短文内容,用方框中所给单词填空,每词限用一次。fast, other, print, better, widely, kinds, machine, modern, invented, necessary Do you know machines? Now they are 1 used all over the world. Why are machines so important and 2 to us? Because they can help us do things faster and 3 . A washing machine helps us to wash clothes. A printing machine helps us to 4 a lot of books, newspapers, magazines and many 5 things quickly. Bicycles, cars, trains and planes are all 6 , too. They help us to travel faster than on foot. The computer is a wonderful machine. It was 7 not long ago. It not only stores information but also computes numbers millions of times as 8 as a scientist does. Let's study hard and try to use all 9 of machines. I think we can build China into a 10 country in the future. 查看答案
题型:不定项选择 半径为R的圆桶固定在小车上,有一光滑的小球静止在圆桶的最低点,小车以速度v向右匀速运动,当小车遇到一个障碍物突然停止运动时,小球在圆桶内升高的高度可能为 [ ]A.等于 B.大于 C.小于 D.2R 查看答案