属于心境稳定剂的药物是（）。 A.碳酸锂 B.氢氧化铝 C.硫酸镁 D.苯妥英钠 E

急诊护理工作的特点是（）。

A.急，发病急来势凶

B.忙，各种急症量和质的程度不可预测

C.多学科性，病种复杂疾病谱广

D.易感染性，患者来者不拒

E.涉及暴力事件多

孙某，男性，15岁，因发热就诊，血常规示白细胞70×109/L，见大量幼稚细胞，骨髓象提示有核细胞增生活跃，原始细胞占35%，患者表现为壮热，口渴多汗，烦躁，头痛面赤，身痛，口舌生疮，咽喉肿痛，面颊肿胀疼痛，便秘尿赤，牙龈出血，舌质红绛，苔黄，脉大。应诊为下列哪项( )

A．白血病，痰热瘀阻证
B．再障，痰热瘀阻证
C．再障，热毒炽盛证
D．骨髓增生异常综合征，热毒炽盛证
E．白血病，热毒炽盛证

                              A

When you think of success, you think of relative achievements in your own world. Each element of your world is important to you, and there is no need to compare with others. You cannot affect the success of others; you can affect your own success.

Success is very much achievable to everybody. Believe that and you have taken the first step. If you do not believe in yourself, then building self-esteem is your first task. However, believing in your ability to achieve whatever you want to succeed in is very important if you are not to be held back by self-doubt throughout your journey to success.

There are many things that will affect your ability to succeed, and it is best to focus on those under your immediate control. Once you do that, then the characteristics you develop can be applied to becoming successful in a range of activities.

What is important to you is that, as you start to reach milestones in your ambitions, you should appreciate your own achievements. Appreciating yourself will strengthen your self-confidence and your determination to succeed.

Some of the key characteristics you will find in those who are successful are perseverance, prepared to research, plan, work hard and practice a lot even when things do not seem to be going well, and an ability to recover and learn from setbacks. At the beginning of whatever you are trying to succeed in, a strong vision of your future, planning, and setting yourself achievable tar gets can all play an important role.

All these qualities, skills and characteristics can be learned and developed. But it is up to you to get things started. Those who do not start travel nowhere. For others, life can be a continuous journey of fulfillment.

小题1:56. According to the passage, if you want to achieve success, what should you do first?

A．Don’t compare with others.

B．Bring everything under control.

C．Find out what you have in mind.

D．Feel confident about your ability.小题2:57. Why should you appreciate your own achievements according to the passage?

A．It will allow you to recover from past failures.

B．It will remind you of the vision of your future.

C．It will motivate you to continue pursuing success.

D．It will help you develop your characteristics in everything.小题3:58. The underlined word“setbacks”（in paragraph 5）probably means ________.

A．failures

B．troubles

C．hesitation

D．depression小题4:59. What can we learn from the last paragraph?

A．If you are stuck where you are, you cannot travel far.

B．If you don’t start trying, you’ll never embrace success.

C．If you are brave enough, you can get whatever you want.

D．If you don’t study, you can never reach the destination.

分别简述存储容量、字节、字、字长的概念

某同学设计了一个探究实验，把培养在完全营养液中、生长状态一致的3组某种植物幼苗分别放入A、B、C三个完全相同的玻璃钟罩内（如图所示），其中A不密封，B、C密封。B内培养皿中盛有Ba（OH）₂溶液，A、C内培养皿中盛有蒸馏水，各培养皿中液体的体积相同。该实验在光照充足、温度适宜的环境中进行。下列相关叙述中，正确的是（）

A.该实验的目的是探究CO₂对植物生长的影响

B.B中的幼苗生长量比C中的大

C.A、C两组中的幼苗生长量相同

D.A、C中的蒸馏水能为幼苗提供CO₂