曲线
,直线x=2及x轴所围成的平面图形绕x轴旋转所成的旋转体的体积为______.
参考答案:
解析:[考点] 一元积分的应用 [答案解析] [*]
根据句意和首字母或汉语提示写出单词。
1. The ad. will a in tomorrow's paper.
2. He's already visited the place where his (祖先) lived.
3. I don't know what is his (目的) in coming back this time.
4. —Where are the cars made?
—They are made in a (南方的) city.
5. Lumsdam is just one young o Chinese who has come to his ancestor's homeland.
6. Would you please c out the refrigerator? It's too dirty now.
7. I need to pack b suit when I go to the beach.
8. You can get information from the g before travelling.
9. The plants need to be w every two days, or they will die.
10. The little boy was made to c wood in the early morning.
阳极管喷涂完成后,对缠于其上的钢丝网的处理()。
A、用专用混凝土覆盖
B、不做任何处理
C、剪断并不得与阳极接触
D、以上均不正确