某药材为深蓝色的粉末，或呈不规则多孔性团块，微有草腥气。该药材来源于（）A.化学合成

已知函数f（x）=x²-2（a+1）x+a²+1，x∈R．

（1）若a=2，解不等式f（x）＜0；

（2）若a∈R，解关于x的不等式f（x）＜0；

（3）若x∈[0，2]时，f（x）≥a²（1-x）恒成立．求实数a的取值范围．

根据对话内容，从对话后的选项中选出能填入空白处的最佳选项.选项中有两项多余选项.

（Wang goes to Boston by train. Now he is at the inquiry offices.）

Clerk: May I help you, Sir?

Wang: Yes, I’d like some information about the trains to Boston.

Clerk:____61______

Wang: Tomorrow. I have to be there well before lunch time.

Clerk: There’s a train at 6 a.m.  It’ll get you there at 11a.m. ___62_

Wang: And I have to get up very early too. ______63____

Clerk: Yes, There’s one at 8:30 a.m train. That arrives in Boston at 11:40 a.m.

Wang: I think the 8:30 train will be my best choice. ____64_____

Clerk: Do you want to buy a single fare or round trip ticket?

Wang: What’s the difference?

Clerk: A round trip ticket saves you about 15 percent of the fare.______65____

Wang: A second class.

A．Where do we pay the fare?

B．But there are many stops along the way.

C．What’s the fare?

D．When do you want to go?E. Do you prefer a first class ticket or a second class?

F. Are there any non-stops to Boston?

G. I’ve got plenty of pocket money.

男性，45岁，被人发现意识不清2小时，既往有高血压、糖尿病史，一直口服二甲双胍、拜糖平。查体：体温37.1℃，血压95/55mmHg，心率135/分钟，氧饱和度95%，浅昏迷，双侧瞳孔等大同圆，直径约3mm，对光反射迟钝，呼吸深大，呼气中有烂苹果气味。双肺呼吸音粗，右下肺可闻及少量湿啰音，心律齐，未闻及杂音。右下肢小腿肿胀，皮温稍高，右下肢足背动脉搏动正常。

在治疗过程中需要注意观察的有（）

A.电解质

B.右下肢肿胀情况

C.右下肢足背动脉波动

D.神志、瞳孔变化

E.尿量

F.血气分析

G.复查胸片

H.血糖

I.血酮体

Babinski征（+）可提示（）

A.病损必定在大脑皮层

B.病损必定在内囊

C.病损必定在脊髓

D.皮质脊髓束损害

E.皮质脑干束损害

简述混凝土试块不合格部位的处理措施。