皮皮学,免费搜题
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【简答题】
Directions: This part is to test your reading ability. There are 5 tasks for you to fulfill. You should read the reading materials carefully and do the tasks as you are instructed. Task 1 Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 to 40. For each question or statement there are 4 choices marked A), B), C) and D). You should make the correct choice and mark the corresponding letter on the Answer Sheet with a single line through the center. An ebook(also referred to as an electronic book,eBook,or e-book)is a digital version(版本)of a print book that you download and read. But if you want to read an ebook, you must have an Ebook Reader, which is a kind of free software used by your computer. Make sure you have installed the appropriate Reader before you download your ebook from the Internet. The software allows you to turn the words on the screen into the size you like. It also helps you turn pages and change your viewing options(计算机屏幕上的阅读选择). Ebooks are a fun alternative to regular books. You can download them to any computers and create your own library of hundreds of titles. If you load them onto your portable computer,you can take them with you when you travel. Some ebooks are even interactive! Best of all,when you order an ebook,there is no waiting and no shipping charges. The amount of time it takes to download your ebook depends on the speed of your connection and the size of your ebook. 36. From this passage,we learn that an ebook___________. A) can be found in any library B) can be read directly from the Internet C) can be read by any one who has a computer D) can be read when special software is installed
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【简答题】Dormitories on campus were reported to be broken into and burglaries happened regularly. What should both students and universities do to reduce this kind of crime? Write on ANSWER SHEET THREE a compo...
【判断题】网络服务提供者的过错包括对于网络用户侵害信息网络传播权行为的明知或者应知。()
A.
正确
B.
错误
【单选题】下列表述中正确的是( )
A.
质点沿 x轴运动 ,若加速度 a< 0,则质点必做减速运动。
B.
在曲线运动中,质点的加速度必定不为零。
C.
若质点的加速度为常矢量 ,则其运动轨道必为直线。
D.
当质点做抛体运动时,其法向加速 、切向加速度 是不断变化的,因此 也是不断变化的。
【多选题】下列说法正确的是?
A.
外力对定点或定轴的主矩等于零时,质点系的动量矩守恒。
B.
在有心力作用下,质点作平面曲线运动。
C.
动量矩守恒时,刚体任一瞬时角速度为常数。
D.
如果外力不为零,动量矩就不可能守恒。
【判断题】平衡状态下,一定量的理想气体沿任一方向的速度的平均值都相等,且都等于零。
A.
正确
B.
错误
【判断题】网络服务提供者的过错包括对于网络用户侵害信息网络传播权行为的明知或者应知。
A.
正确
B.
错误
【单选题】增值税一般纳税人提供有形动产租赁服务适用增值税率是(  )
A.
13%
B.
9%
C.
6%
D.
3%
【简答题】提供有形动产租赁服务适用 %税率
【单选题】增值税一般纳税人提供有形动产租赁服务适用的税率是( )
A.
13%
B.
9%
C.
6%
D.
3%
【单选题】质点运动时, ( c 是不为零的常量 ) ,此质点作 ( )
A.
匀速直线运动;
B.
匀速曲线运动;
C.
匀变速直线运动;
D.
不能确定。
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