药物结构中与FeCl3发生显色反应的活性基团是（）A、甲酮基 B、芳伯氨基 C、乙酰

（12分）阅读下列材料回答问题

材料一 丞相、御史大夫劫、廷尉斯等皆曰：“……今陛下兴义兵，诛残贼，平定天下，海内为郡县，法令由一统，自上古以来未尝有，五帝所不及，臣等谨与博士议曰：古有天皇，有地皇，有泰皇，泰皇最贵。臣等昧死上尊号，玉为泰皇。命为制，令为诏，天子自称曰朕。”王曰：“去泰，著皇，采上古帝位号，号曰皇帝。他如议。”制曰：“可。”

──《史记》

材料二 如图

材料三 明太祖认为：“自秦以下，人君天下者，皆不鉴秦设相之患，相从而命之，往往病及于国君者，其故在擅专威福。”     

──中国古代史资料库

材料四 （洪武）十五年（1382年）仿宋制，置华盖殿、武英殿、文渊阁、东阁诸大学士，又置文华殿大学士……大学士特侍左右，备顾问而己。……成祖即位，特简解络、胡广、杨荣等直文渊阁，参预机务。                     

──《明史》卷72《职官志》

材料五  如图

1912年孙中山主持召开国务会议	1912年清帝退位诏书

（1）根据材料一指出，秦始皇时期已经建立了哪些具体制度？(4分)

（2）材料二反映了唐朝的什么制度？与秦朝相比，唐朝相权有何特点？(4分)

（3） 结合以上材料归纳，中国古代皇权和相权的关系发生怎样的变化？从根本上看，古代政治制度具有什么演变趋势？(4分)

平补平泻手法是指（）。

A.进针得气后均匀地提插、捻转后即可出针

B.既有补又有泻

C.先补后泻

D.先泻后补

E.补法泻法交替使用

无症状性菌尿特点应除外（）

A.是隐匿性经过的肾盂肾炎

B.尿液变化不典型

C.需要及时治疗

D.与反复应用抗生素有关

E.尿路刺激征可缺如

When a consumer finds that something he or she bought is faulty or in some other way does not live up to what the producer says for it, the first step is to present the warranty, or any other records that might help, at the store of buying. In most cases, this action will produce results. However, if it does not, there are various means the consumer may use to gain satisfaction.

A simple and common method used by many consumers is to complain directly to the store manager. In general, the "higher up" the consumer takes his or her complaint, the faster he or she can expect it to be settled. In such a case, it is usually settled in the consumer’s favour taking it as true that he or she has a just right.

Consumers should complain in person whenever possible, but if they cannot get to the place of buying, it is acceptable to phone or write the complaint in a letter.

Complaining is usually most effective when it is done politely but firmly and especially when the consumer can show clearly what is wrong with what was bought in question. If this cannot be done, the consumer will succeed best by presenting specific information as to what is wrong, rather than by making general statements. For example, "The left speaker does not work at all and the sound coming out of the right one is unclear" is better than "This stereo does not work. "

The store manager may advise the consumer to write to the producer, if so, the consumer should do this, setting the complaint as politely and as firmly as possible. But if a polite complaint does not achieve the expected result, the consumer can go a step further. He or she can threaten to take the seller to court or report the seller to a public organization responsible for protecting consumers rights.

If a consumer wants a quick settlement of his problem, it’s better to complain to().

A．a shop assistant

B．the producer

C．a public organization

D．a store manager

若网络形状是由站点和链接站点的链路组成的一个闭合环，则称这种拓扑结构为（）。

A.星形拓扑

B.总线拓扑

C.环形拓扑

D.树形拓扑