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下面方框中的图表示一本书的目录,请根据其内容选出各题的最佳答案。
|
Basketball |
|
|
Basketball quiz |
211-223 |
|
College teams |
172-182 |
|
Equipment |
98-112 |
|
Famous players of the NBA |
309-345 |
|
History |
1-26 |
|
Rules of the Game |
27-39 |
|
Teams in Europe |
114-171 |
|
Teams in the USA |
184-208 |
|
Women players |
224-266 |
1.What is the author’s purpose(目的)of this writing?_____-
A.Tell somebody something B.Wait for somebody
C.Receive somedody as a guest(客人) D.None of these
2.What information can you find on pages 27-39 ?________
A.Teams in Europe B. Teams in the USA
C.Rules of the Game D. Equipment
3.The History of Basketball can be found on pages _______.
A.224-266 B.98-112 C.172-182 D.1-26
4.What pages will give you information about basketball teams in Europe ?
A.211-223 B.114-171 C.184-208 D.None of these
5.What information can be found on pages 184-208?
A.Teams in Europe B.Rules of the Game
C.Teams in the USA D.None of these
查看习题详情和答案>>
Liu Yong 有一个笔友,他叫Mike。Mike将要到Liu Yong家做客。但他不认识去Liu Yong家的路。Liu Yong通过e-mail的形式给Mike发了一张地图。请就以下的图描述一下地图的内容。
【小题1】
【小题2】
【小题3】
【小题4】
【小题5】 ![]()
(1)若传送带静止,旅行包滑到B端时,若没有人取包,旅行包将从B端滑落到地面上,则包的落地点距B端的水平距离为多少?
(2)当皮带轮顺时针匀速转动,其角速度为ω0="20" rad/s时,求旅行包在皮带上运动的时间与旅行包落地时的速度;
(3)设皮带轮以不同的角速度顺时针匀速转动,画出旅行包落地点距B端的水平距离s随角速度ω变化的图象(ω的取值范围从0到100 rad/s)。
下面方框中的图表示一本书的目录,请根据其内容选出各题的最佳答案。
| Basketball | |
| Basketball quiz | 211-223 |
| College teams | 172-182 |
| Equipment | 98-112 |
| Famous players of the NBA | 309-345 |
| History | 1-26 |
| Rules of the Game | 27-39 |
| Teams in Europe | 114-171 |
| Teams in the USA | 184-208 |
| Women players | 224-266 |
| A.Tell somebody something | B.Wait for somebody |
| C.Receive somedody as a guest(客人) | D.None of these |
| A.Teams in Europe | B. Teams in the USA |
| C.Rules of the Game | D. Equipment |
| A.224-266 | B.98-112 | C.172-182 | D.1-26 |
| A.211-223 | B.114-171 | C.184-208 | D.None of these |
| A.Teams in Europe | B.Rules of the Game |
| C.Teams in the USA | D.None of these |
(1)若传送带静止,旅行包滑到B端时,若没有人取包,旅行包将从B端滑落到地面上,则包的落地点距B端的水平距离为多少?
(2)当皮带轮顺时针匀速转动,其角速度为ω0="20" rad/s时,求旅行包在皮带上运动的时间与旅行包落地时的速度;
(3)设皮带轮以不同的角速度顺时针匀速转动,画出旅行包落地点距B端的水平距离s随角速度ω变化的图象(ω的取值范围从0到100 rad/s)。