申请领取保险金,旅客须自意外事故()内办理,逾期丧失申请权利。 A.处理之日起1年

题型:单项选择题

问题:

申请领取保险金,旅客须自意外事故()内办理,逾期丧失申请权利。

A.处理之日起1年

B.结案之日起30天

C.发生之日起1年

D.发生之日起90天

考点:铁路客运值班员铁路客运规章铁路客运规章题库
题型:单项选择题

氮化硅(SiN4)是一种新型陶瓷材料,它可由石英与焦炭在高温的氮气流中,通过以下反应制得:

3SiO2+6C+2N2

高温
Si3N4+6CO.下列叙述正确的是(  )

A.在氮化硅的合成反应中,N2是还原剂,SiO2是氧化剂

B.上述反应中每生成1molSi3N4,N2得到12mol是电子

C.若已知上述反应为放热反应,升高温度,其平衡常数增大

D.若使压强增大,上述平衡向正反应方向移动

题型:单项选择题

阅读理解。

Hi, Louis!

     I'm writing to tell you something about the customs and festivals.

    Everyone loves holidays since one docsn't need to go to school or work. Although all holidays mean no school and work, not all of them are the same.   On some of them you go out with friends;  on others you

stay home to eat, talk, and  have fun  with your family.  For example in the U.  S. ,  everyone thinks New

Year's Eve  and  New Year are  both for partying with friends.   Christmas  is  the  time to stay home and

exchange gifts  with  family  members.  The opposite is true in Japan though. For example, in Japan, New

Year is for spending time with the family to eat, talk,have fun, and go to the temples.  But Christmas is for boy and girl friends to go out and exchange gifts.  Originally Christmas should be to celebrate the birth of

Christ.

    I have been interested in foreign customs since l was little.  If you learn these different holiday customs.

you will learn about different histories and cultures.  This is much more interesting than learning them at the

library from morning to evening.

                                                                                                                  Love,

                                                                                                                  Sue

根据短文内容判断正误.正确的用"T,错误的用"F.

( )1. Usually, nobody goes to school or works during holidays.

(     )2. Christmas is the time to stay home to eat, talk and have fun with the family.

(     )3. All the countries have the same way to celebrate the holidays.

(     )4. Being interested in foreign customs means being interested in different histories and cultures.

(     )5. This passage is about the customs and holidays in Japan.

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描述一个区域的环境质量的指数

A.单一指数(分指数)
B.单要素指数(综合指数)
C.总环境质量指数
D.最高分指数
E.最低分指数 以下各种指数分别称为

题型:单项选择题

心功能不全最早的体征是

A.心脏肥大 

B.交替脉 

C.舒张期奔马律 

D.颈静脉搏动 

E.颈动脉搏动

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男性,26岁,左下第三磨牙近中水平阻生 拟拔除,口内法行下牙槽神经阻滞麻醉 后患者很快出现暂时性牙关紧闭,可能 的原因是

A.翼颌间隙感染
B.肾上腺素反应
C.麻醉了颊神经
D.麻醉了下颌舌骨肌
E.麻醉药直接注人翼内肌

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