下列编码中，正确的汉字机内码是______。A．6EF6H B．FB6FH C．A3

场景(五) A、B两家施工单位的资质分别为一级、二级，两家组成联合体，共同投标一项工程，A、B签订的联合投标协议约定：如果在施工的过程中出现质量问题遭遇建设单位的索赔，各自承担索赔额的50%。后来在施工的过程中由于B公司的施工技术问题致使工程出现了质量问题，并因此遭到了建设单位的索赔，索赔颇为18万元。建设单位找A施工单位索要全部赔偿款18万元，A施工单位拒绝建设单位的要求，只答应付9万元。
根据场景(五)，回答下列问题：

关于联合承包方式承揽建筑工程的施工任务，下列说法中不符合我国《中华人民共和国建筑法》规定的是( )。

A．双方应签订联合承包的协议

B．按照资质等级低的单位的业务范围承揽建设工程

C．联合承包各方就承揽工程向建设单位承担连带责任

D．联合承包各方根据联合承包协议约定的比例对建设单位承担责任

房地产开发投资企业所得税税率一般为（）。

A.23%

B.33%

C.43%

D.53%

P-R间期正常为（）

A.0.12～0.20秒

B.0.14～0.18秒

C.0.16～0.20秒

D.0.10～0.18秒

E.0.11～0.13秒

卷圆机进料时采用对称安装的轧辊，上下轧辊（），靠压紧力在轧辊与钢板间产生的摩擦力来达到送料的目的。

A、转向相同

B、直径不同

C、转速不同

D、转向相反

Sometimes we have specific problems with our mother; sometimes, life with her can just be hard work. If there are difficulties in your (1) , it’s best to deal with them, (2) remember that any (3) should be done (4) person or by letter. The telephone is not a good (5) because it is too easy (6) either side to (7) the conversation.

Explain to her (8) you find difficult in your relationship and then (9) some new arrangements that you think would establish a (10) balance between you. Sometimes we hold (11) from establishing such boundaries because we are afraid that doing (12) implies we are (13) her. We need to remember that being (14) from our mother does not (15) mean that we no longer love her. If the conflict is (16) and you cannot find a way to (17) it, you might decide to give up your relationship with your mother for a while. Some of my patients had (18) "trial separations". The (19) allowed things to simmer down, enabling (20) .

（18）（）

A.successful

B.compulsory

C.miserable

D.stationary