按公式计算，正常4岁小儿的收缩压是（）mmHg（） A.88 B.95 C.100

Weight(体重)is one of the taboo subjects. In America, it is OK, or even good, to be thin but it is an embarrassment(尴尬) to be overweight. In fact, the thinner you are, the more beautiful you are thought to be. You’ll find that most models(模特) are nothing more than skin and bones. A woman who is thin is easy to become popular. Of course, there are lots of people do their best to be thin. They may use all kinds of ways, such as doing exercise, or dieting(节食). But, sometimes, dieting may bring about some healthy problems.

Many girls want to be thin because they want to be models.
[A] Right. [B] Wrong.[C] Doesn’t say.

Americans are very careful about their weight and most of the time they do not tell others how much they weigh even if they are quite thin. Therefore, you’d better not ask about it. But if you really want to talk about this subject, it’s always safer to say, "Oh, it looks like you have lost weight. " However, if you would like to be honest and polite, I suggest that you should choose your words carefully, perhaps by saying:"Hey, you look great. Very healthy looking. " And always remember, you can not use the word "fat".

下表为元素周期表的一部分，请参照元素①～⑧在表中的位置，回答下列问题

(1)写出由④、⑤、⑧元素中形成的既含离子键又含共价键的一种离子化合物的电子式________。

(2)含元素⑧的单质能与自来水中有机物反应生成对人体有危害的物质，现已逐步淘汰。下列可代替它作自来水消毒剂的是_______      

A. NH₂Cl    B. AlCl₃    C. K₂FeO₄    D. ClO₂

(3) W与④是相邻的同主族元素。在下表中列出H₂WO₃的各种不同化学性质，举例并写出相应的化学方程式。

(4)由表中元素形成的常见物质X、Y、Z、M、N可发生以下反应：

写出X溶液与Y溶液反应的离子方程式______________，  M中阳离子的鉴定方法 __________，如果M中含有元素⑧，M溶液中离子浓度由大到小的排列顺序是______________。

邓 * * 南方讲话和党的十四大的召开，对我国的社会主义建设产生的主要影响是 [ ]

A．党和政府首先在农村实行改革政策，为农村致富和实现现代化开辟了崭新的道路  

B．党和政府开始实行对外开放的政策，吸收了大量侨资、外资  

C．明确了中国的现代化建设必须从中国实际出发，建设有中国特色社会主义的思想  

D．使我国加快了建设步伐，改革开放和社会主义现代化建设进入一个新的发展阶段

色弱

关于功能性电刺激（FES）的描述不正确的是（）

A.SCI后易于产生深静脉血栓，电刺激小腿肌肉可减少发生的危险

B.FES可产生下肢功能性活动，如站立和行走

C.FES系统可取代轮椅

D.SCI患者的上肢FNS的应用处于观察阶段

E.刺激电极分表面、经皮和植入3种