下列属于全双工通信的有()。A、电视 B、步话机 C、手机通信 D、电话通信

题型:多项选择题

问题:

下列属于全双工通信的有()。

A、电视

B、步话机

C、手机通信

D、电话通信

考点:计算机维修工计算机维修工题库
题型:多项选择题

案例四:李小姐是一家外企的中层管理员,有50万元人民币,考虑到目前银行存款利率较低,而股市正走向牛市,想将这笔钱来做证券投资,李小姐在深圳证券交易所买了 ABC公司的A股股票和ABC公司发行的可转换债券,并且买了正在发行的面值为100元的10年期国债,国债票面利率为5%,市场利率为5%同时还购买了货币市场基金。
根据案例四,回答14~34题:

实际上,李小姐购买的债券仍然要面临利率的风险。债券收益与市场利率呈( )变化。

A.同方向

B.反方向

C.无关

D.无确定关系

题型:多项选择题

根据短文后所给的任务,完成1-5小题。

Dear Ace Travel,

     My family and I want to take a trip this summer somewhere in the east of China. I hope you can provide

me with some information about the kinds of vacations that your firm can offer. We would like to travel to

an exciting place, and we don't mind how far we have to go. It has to be a place we can do lots of exercise;

we especially love hiking and swimming, but any kind of exercise is fine. We also need to stay in an

inexpensive hotel. It would be nice if our hotel had rooms with kitchens so we could save money by cooking

our own meals. The room needs to be big enough for three people. Also, we'd like to stay at a place with a

big pool or somewhere near the ocean. Could you please give me some suggestions for vacation spots? Also,

please let us know if it is best to travel by plane, train or bus. We'd like to be away for about three weeks.

Thank you very much.

S.T.Zhang

任务1:阅读短文,回答问题。

1. When will the family take a trip?

                                                    

任务2:同义词替换:

2. 文中和company 同义的词是 _______________.

任务3:在空格中填入适当的词,使其句意完整正确,不改变句意。

3. We would like to travel to an exciting place, and we don't mind how far we have to go.

    It has to be a place _______________ we can do lots of exercise.

任务4:句型转换:

4. …it is best to travel by plane, train or bus.

    句中的it 指                          .

任务5:本文的任务是什么?

5. He hopes to get ______________ _____________ about the kinds of vacations that the firm can offer.

题型:多项选择题

(3分)二氧化碳是常用的灭火剂,但有的金属着火却不能用二氧化碳灭火。如金属镁在高温下可以在二氧化碳中继续燃烧,生成黑色和白色两种固体粉末。请写出反应的化学方程式                               。

题型:多项选择题

下列有关基准定价、标定地价、土地使用权出让底价区别的说法,错误的是()。

A.基准地价是大面积评估的区域平均地价,标定地价、土地使用权出让底价则是具体到宗地或地块的地价,亦称宗地地价

B.基准地价以考虑宏观区域因素为主,标定地价和土地使用权出让底价则还考虑地价的微观区位因素,其地价更为接近市场交易地价

C.标定地价是政府认定并公开的地价,而土地使用权出让底价则是不公开的地价

D.基准地价起着调控市场交易地价的作用,而标定地价和土地使用权出让底价则没有调控地价的作用

题型:多项选择题

军用装备物资装车后如何计算重量?

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