同一物体的运动,如果选取的参考系不同,对它的运动描述也不同。

题型:判断题

问题:

同一物体的运动,如果选取的参考系不同,对它的运动描述也不同。

考点:物理学物理学题库
题型:判断题

请阅读下列应用文及相关信息,并按照要求匹配信息。请在答题卡上将对应题号的相应选项字母涂黑。

请仔细阅读下面有关信息。

A.A scarf, a good present for fair ladies. In winter, in addition to keeping you warm, a scarf around your neck can help draw other’s attention.

B. Guitar Beginners. Do you like music? Do you want to play the guitar well in a short time?

This new book, written by guitarist Frank Jones, helps even the most basic beginner read his way to being a competent guitar player in just 20 days.

C.The Adventure of Tom Sawyer is a short novel written by Mark Twain, an American famous writer. It is very interesting and adventurous.

D.The Milk Calcium, produced for the senior. More and more people have realized that to be healthy is really the most important. The milk Calcium is especially good for the ones lack of calcium(钙).E. The Classic Explorer’s Compass, a precious instrument, will help you know wherever you are. Each comes with its own waterproof leather case.

F. Super Shoes, the sports shoes liked by all the young. Wearing Super Shoes can be attractive. It is said that Super Shoes can help you to be the winner in every sports game.

匹配信息

你打算为你的朋友Mike, Mary, Robert, Lily和Tom选购新年礼物。请阅读有关对他们的描述,选出最适合他们的礼品。

56. Mike likes sports and travel. He would like something that he can take with him on his  journeys, especially when he is camping or hiking, because sometimes it is hard to find the direction.

57. Mary likes parties and discos. She likes to look smart, and she is very fond of music. She says that she likes books, but she never reads any. Now, she wants to learn how to play a musical instrument.

58. Robert is an eighty-year-old man. He likes doing exercise in the morning. But one week ago, the doctor told him that he suffered from osteoporosis(骨质疏松) in a common health examination.

59. Lily is a beautiful girl. She sings well and is going to perform at the New Year’s party. She’d like to wear something that is attractive at the party.

60. Tom is a junior student. He likes playing basketball and reading. He would like to read something about taking a risk.

题型:判断题

辨别下边世界局部地区图:

(1) 写出大洲名:甲——                         ,乙——                         

(2) 看序号写地名:

    A __              山    B                    河    C                        山 D                       海峡    E                    运河

(3) D海峡沟通的海是                                  , E运河沟通的海是                                     

题型:判断题

下列属于长期信用工具的是( )。

A.股票

B.支票

C.本票

D.汇票

题型:判断题

已知甲、乙、丙的年龄从大到小排列。甲对乙说:“当我像你这么大时,你正好10岁”。乙对丙说:“当我像你这么大时,你正好7岁”。丙对甲说:“当我像你这么大时,你就50岁了”。问丙今年多大()

A.20

B.14

C.25

D.19

题型:判断题

下面关于OSPFLSA格式的描述不正确的是()

A.LS AGE字段表示LSA已经生存的时间单位是秒

B.LS TYPE字段标识了LSA的格式和功能

C.第一类LSA中adverting router字段表示产生此LSA的路由器的routerid

D.LS SEQUENCE NUMBER越小则LSA越新

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