已知线段AB＝7cm．现以点A为圆心，3cm为半径画⊙A；再以点B为圆心，5cm

下列选项，属债权合同的是( )。

A．监护合同

B．买卖合同

C．行政合同

D．劳动合同

效率工资理论认为（）。

A.高工资未必高成本

B.高工资会导致高的员工流动率

C.高工资可以减少管理及其相关人员的配备

D.应聘者可以通过该企业的相对薪酬水平来推测岗位的情况

E.某项工作具有负面特性，企业就必须支付更高的薪酬来弥补

患者男，17岁，自检发现下腹部出现一包块就诊。查体：右下腹部近耻骨联合处及左侧腹股沟各发现一不规则包块，大小为31mm×44mm，质地较硬，边界不清，表面触及结节感，无压痛。实验室检查：CEA 1.75U/ml，CA19-9 47.1U/ml，CA 242 11.3U/ml，AFP 97.8ng/ml，β-HCG 37.2ng/ml。临床生化、临床血液学检查正常。

根据上述信息，当前有可能的诊断是（）。

A.脂肪瘤

B.畸胎瘤

C.原发性肝癌转移

D.睾丸癌腹膜后转移

E.结肠癌

F.腹股沟疝

In my experience, one of the greatest reasons of unhappiness is the difficulty we have in accepting things as they are．When we see something we don’t like, we wish it could be different–we cry out for something better．That may be human nature, or perhaps it’s something that has been grown in our culture．

The root of the unhappiness isn’t that we want things to be different, however, it’s that we decided we didn’t like it in the first place．We’ve judged it as bad, rather than saying, “It’s not bad or good, but it just is．”

Here is an example．I have written a paper, A Beautiful Method to Find Peace of Mind．Quite a few people think it bad after reading it because I think people should expect things to go differently than you planned, and that you should accept that, instead of encouraging people to change themselves or the environment as much as possible．You could accept it as the way the world works–as the way things actually are．And try to understand why that is, and follow it, as it is．

This can be useful to whatever you do: whether it be how other people act at work, how politics works and how depressing the news media can be．Accept these things as they are, and try to understand why they’re that way．

It’ll save you a lot of sadness because you’ll no longer say, “Oh, I wish things didn’t go bad!”

If you really understand what I mean, you can try a different way to live in this world:accept, and understand．It might lead to some interesting results．

1．What is the major reason why we feel unhappy in the writer’s opinion?

A．We are never satisfied with ourselves and the environment around us．

B．When we see something that makes us unhappy, we don’t know what to do．

C．We feel hard to accept the way things happen themselves．

D．No matter how happy we are, we never want to be happy．

2．What do you think the writer may say to himself when he meets something unhappy?

A．How could I have made such a stupid mistake?

B．I should have done better．It’s all my fault．

C．Why is it all against my plan? It can’t be so bad．

D．Well, I know all is what it is meant to be．Take it easy．

3．Why do some people think badly of the writer’s new paper after reading it?

A．The writer hasn’t shown an encouraging attitude in his paper．

B．The writer asks people to try to make things better．

C．The writer reminds the people that things will go exactly as you’ve planned．

D．The writer doesn’t think it a good idea to accept the things go naturally．

4．The statements below are based on the writer’s points of view, EXCEPT_______

A．Unhappiness may be caused by human nature that we always want things to be better．

B．Why we don’t like the thing is that we have regard it as bad in the beginning．

C．The news media shouldn’t be so depressing if the reporters worked harder．

D．The best way to avoid feeling unhappy is to accept the things as they are．

如图所示，电路中A点的电位为（）。

A.1V

B.2V

C.3V

D.4V