特种设备的生产,销售和使用单位以及特种设备作业人员应当妥善保管特种设备行政许可()。

题型:多项选择题

问题:

特种设备的生产,销售和使用单位以及特种设备作业人员应当妥善保管特种设备行政许可()。

A、标准

B、登记

C、鉴定证明

D、作业证明

考点:起重机操作证考试桥门式起重机司机桥门式起重机司机题库
题型:多项选择题

Answer the questions. (根据短文内容回答下列问题。)

                                                                                                                               Mar. 25, 2009

Dear Helen, 

       Thanks for your last letter. Yes, I'm enjoying myself on my exchange program in France. It's even

better than I thought it would be. I was a bit nervous before I arrived here, but there was no reason to be.

My host family is really nice. They go out of their way to make me feel at home. And you wouldn't believe

how quickly my French has improved! I'm very comfortable speaking French now. Although I still make

lots of mistakes, it doesn't bother me as it used to. My biggest challenge is learning how to behave at the

dinner table. As you can imagine, things are really not the same as the way they are at home. For example,

you're not supposed to put your bread on your plate. You're supposed to put it on the table! I thought that

was pretty strange at first, but now I'm used to it. You're not supposed to eat anything with your hands

except bread, not even fruit! (You have to cut it up and eat it with a fork.) Another thing is that it is very

rude to say you're full. If you don't want any more food, you should just say, "It was delicious." Also, it's

rude to put your hands in your lap. You should always keep your hands, but not your elbows, on the table.

I have to say, I find it difficult to remember everything, but I'm gradually getting used to things and don't

find them so strange any more. I'll write soon and tell you more about life in France. Hope you're having a

good school year.

                                                                                                                                              Yours,

                                                                                                                                               Mei Fei

1. Where is Mei Fei now? 

                                                                                                                                                    

2. Was there any reason for Mei Fei to be nervous before she arrived there? 

                                                                                                                                                     

3. What does Mei Fei think of her host family?

                                                                                                                                                      

4. How does Mei Fei feel while she is speaking French now? 

                                                                                                                                                      

5. What is the biggest challenge she is facing?

                                                                                                                                                      

6. When can Mei Fei eat things with her hands? 

                                                                                                                                                      

7. Why do you want to go there if you have the chance to take part in an exchange program? 

                                                                                                                                                      

题型:多项选择题

桩核冠修复中,对残冠牙体的错误处理是()。

A.平齐龈 * * 连线截断

B.去除薄壁

C.去除无基釉

D.去除腐质

E.以上都对

题型:多项选择题

用抗震缝把房屋分成若干个体形简单,具有均匀刚度的封闭单元,使各个单元独立抗震能力优于整个房屋共同抗震能力。

题型:多项选择题

2005年7月21日,在主动性、可控性、渐进性原则指导下,人民币汇率形成机制改革启动,开始实行以市场供求为基础、参考一篮子货币进行调节、有管理的浮动汇率制度。两年来先后推出了一系列改革措施,外汇市场基础设施建设取得重大进展,人民币汇率弹性逐步扩大,并形成双向波动的格局,呈现稳中有升的态势。2005年汇改以来至2010年7月20日,人民币五年来已对美元升值22.05%,实际有效汇率升值18.28%。
根据上述材料,回答下列问题:

以下因素中导致人民币汇率升值的是( )。

A.国际收支持续双顺差

B.通货膨胀率比美国高

C.人民币利率不断提高

D.取消出口退税

题型:多项选择题

屋面坡度大于( )或屋面受震动时,卷材可平行或垂直屋脊铺贴。

A.3%

B.5%

C.10%

D.15%

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