义务

阅读下列对话，掌握其大意，并根据所给首字母的提示，在标有题号的横线上写出一个英语单词的完整、正确形式，使对话通顺。

A: Where are you from?                                             

B: I’m from Canada.

A: Really? I t____76___ you were from the States.                     小题1:________

B: That’s not s____77_____. A lot of people can’t tell                   小题2: ________

the d___78_____ between an American accent and a                    小题3:______

Canadian accent. For example, most Canadians say news [nju:z],

but Americans say [nu:z]. We m___79____ use American words,          小题4:_______

but we use quite a lot of British words too. We fill our cars

with “gas”, which is American, but we turn on the “tap” which is

British English.

A: Oh! And do you use American o_80  British spelling?              小题5:_______

B: Both! American spellings are used more and more in Canada now.

G__81____ speaking, newspapers f___82__ the American way , but     小题6:______

conference reports and schoolbooks use British spelling.                小题7:______

A: That s___83___ strange.                                        小题8:________

B: You mean it looks strange! I’ll tell you something that does sound strange.

Many people think that C___84__ all over the country speak the same    小题9:______

way. But if you go to the eastern provinces, or go to some country areas,

you’ll notice that the people there speak quite differently f___85__ the    小题10:______

rest of Canada.

辅助主动运动主要适应于肌力几级的患者（）

A.0级

B.1级

C.2级

D.3级

E.4级

某建设单位2010年9月1日领取了施工许可证。由于特殊原因不能按期开工，故向发证机关申请延期。根据我国《建筑法》的规定，下列关于延期的说法正确的是( )。

A．领取施工许可证不能延期

B．可以延期，但只能延期一次

C．延期以两次为限，每次不超过两个月

D．超过延期界限的，施工许可证自行废止

一幢十层教学楼，采用全现浇钢筋混凝土框架结构体系，抗震设防烈度为8度，设计地震分组为一组、Ⅱ类场地。在重力荷载代表值作用下，中间横向框架的计算简图如下图所示。

在重力荷载代表值作用下，已知三层横梁的支座弯矩如下图所示。当考虑梁端塑性变形内力重分布而对梁端负弯矩进行调幅，并取调幅系数为0.8时，则边横梁的跨中弯矩设计值M最接近于（）kN.m。

A.73.5

B.88

C.93

D.111

试述黏度在生产中的应用。