地球自转线速度最大的地方是:() A.南北极点 B.南北极圈 C.南北回归线 D

题型:选择题

问题:

地球自转线速度最大的地方是:(   )

A.南北极点

B.南北极圈

C.南北回归线

D.赤道

考点:地球运动的一般特点地球自转的地理意义地球公转的地理意义
题型:选择题

初产妇,28岁,足月妊娠,合并风湿性心脏病,心功能Ⅱ级。检查枕左前位,胎心率正常,无头盆不称,决定经 * * 分娩,其产程处理,下列哪项正确()

A.产妇取平卧位休息

B.出现心衰征象时吸氧

C.第2产程鼓励产妇屏气用力

D.胎肩娩出后腹部放置沙袋并用腹带包扎固定

E.产后常规注射麦角新碱

题型:选择题

志愿者作为奥运会的重要组成部分,2008年北京奥运会的志愿者向世界展示了中国志愿者的形象。他们有属于自己的标志。右图是北京奥运会志愿者的标志,请你对志愿者的标志做一简要说明。(6分)

                                                                                                                                  

                                                                                                                                  

                                                                                                                      

                                                                                

题型:选择题

“所谓子肿者,面目虚浮,多因脾胃气虚或久泻所致”出自()

A.《金匮要略》

B.《素问》

C.《增补胎产心法》

D.《医宗金鉴》

E.《诸病源候论》

题型:选择题
Jenna, a popular girl from Westwood Middle School, had graduated first in her class and was ready for new      in high school.
  , high school was different. In the first week, Jenna went to tryouts(选拔赛) for cheerleaders(拉拉队队员). She was competing against very talented girls, and she knew it would be      for her to be selected. Two hours later, the     read a list of the girls for a second tryout. Her heart      as the list ended without her name. Feeling      , she walked home carrying her schoolbag full of homework.
Arriving home, she started with math. She had always been a good math student, but now she was      . She moved on to English and history, and was      to find that she didn’t have any trouble with those subjects. Feeling better, she decided not to    math for the time being.
The next day Jenna went to see Mrs. Biden about being on the school    . Mrs. Biden wasn’t as     as Jenna. “I’m sorry, but we have enough    for the newspaper already. Come back next year and we’ll talk then.” Jenna smiled     and left. “Why is high school so    ?” she sighed.
Later in    class, Jenna devoted herself to figuring out the problems that had given her so much      . By the end of class, she understood how to get them right. As she gathered her books, Jenna decided she’d continue to try to     at her new school. She wasn’t sure if she’d succeed, but she knew she had to     . High school was just as her mom had said: “You will feel like a small fish in a big pond        a big fish in a small pond. The challenge is to become the     fish you can be.”
小题1:
A.processesB.challengesC.decisionD.exercises
小题2:
A.HoweverB.ThereforeC.OtherwiseD.Besides
小题3:
A.difficultB.easyC.boringD.interesting
小题4:
A.judgeB.bossC.candidateD.editor
小题5:
A.jumpedB.racedC.sankD.stopped
小题6:
A.strangeB.awfulC.happyD.lonely
小题7:
A.improvingB.strugglingC.workingD.complaining
小题8:
A.ashamedB.disappointedC.shockedD.relieved
小题9:
A.worry aboutB.prepare forC.put upD.give up
小题10:
A.committeeB.radioC.newspaperD.team
小题11:
A.sympatheticB.artisticC.enthusiasticD.realistic
小题12:
A.speakersB.readersC.cheerleadersD.writers
小题13:
A.weaklyB.widelyC.excitedlyD.brightly
小题14:
A.similarB.differentC.ordinaryD.familiar
小题15:
A.physicsB.historyC.EnglishD.math
小题16:
A.troubleB.hopeC.pleasureD.sorrow
小题17:
A.stay upB.look outC.fit inD.get around
小题18:
A.swimB.tryC.askD.escape
小题19:
A.in return forB.in case ofC.in terms ofD.instead of
小题20:
A.slimmestB.smallestC.gentlestD.best
题型:选择题

由4位二进制同步计数器74LS163构成的逻辑电路如图3.6-25所示,该电路的逻辑功能为()。

A.同步256进制计数器

B.同步243进制计数器

C.同步217进制计数器

D.同步196进制计数器

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