在结构化方法的软件需求定义中，可采用分析工具来辅助完成。下列工具中，哪些是常用的工具

根据给出的价格鉴证资料，简要回答下面的问题。
某价格鉴证机构受某法院的委托对××市××区××路××号地块进行价格鉴证，委托机关出具的委托书表明：该次鉴证的价格鉴证基准日为2010年5月4日，该地块于2000年5月4日由××股份有限公司从××市土地管理局(现名为××市房屋土地资源管理局)以出让方式取得。该价格鉴证机构经过现场勘察和市场调查决定采用基准地价修正法和假设开发法对鉴证标的进行价格鉴证，其中采用基准地价修正法求得的土地价格总价为23767.42万元，采用假设开发法时选取鉴证标的周围的住宅小区凯旋花苑作为比较案例，求得的土地价格总价为31216.4万元，由于两者相差较大，所以决定保守地采用基准地价修正法。求得的23767.42万元为鉴证标的在签证价格基准日的价格，写入价格鉴证结论，并以此于2010年5月10日出具了价格鉴证结论书，送达了委托人。一方案件当事人对鉴证结论存有异议，于是向复核裁定机构提出复核裁定。
请根据上述资料回答下列问题：

Since          to the world, the dance “Gangnam Style” has gained greart great popularity.

A．introduced

B．introducing

C．being introduced

D．to be introduced

About 30 years ago, I left Cuba for the United States with my son. After getting settled finally in Brunswick, New Jersey, I enrolled(注册) my son in kindergarten. Several weeks later, my son’s teacher asked me to meet him at his office.

In the teacher’s office, and exchange of greetings was followed by his questions: “ Is your son mentally retarded(弱智的)? Does he suffer from any kind of mental disability?”

Was he talking about my wonderful Scola? No, no, it can’t be. What a helpless, lonely moment! I told him that Scola was a quiet, sweet little boy, instead. I asked him why he was asking me all these questions.

My son could not follow the teacher’s directions, he told me, and thus, Scola was disrupting the class. Didn’t he know my son did not speak English yet?

He was angry: “ Why hasn’t your son been taught to speak English? Don’t you speak English at home?”

No, I didn’t speak English at home, I replied. I was sure my son would learn English in a couple of months, and I didn’t want him to forget his native language. Well, wrong answer! What kind of person would not speak in English to her son at home and at all times? “ Are you one of those people who come to this country to save dollars and sent them back to their country, never wanting to be a part of this society?”

Needless to say, I tried to tell him I was not one of “ those people.” Then he told me the meeting was over, and I left.

As I had expected, my son learned to speak English fluently before the school year was over. He went on to graduate from college and got a job, earning close to six figures. He travels widely and leads a well-adjusted, contented life. And he has benefited from being bilingual(双语的)。

Speaking more than one language allows people to communicate with others; it teaches people about other cultures and other places- something very basic and obviously lacking in the “educator” I met in New Jersey.

小题1:The teacher asked the author to his office________.

A．to work out a study plan for Scola

B．to get Scola enrolled in kindergarten

C．to discuss Scola’s in-class performance

D．to find a language partner for Scola小题2:What does the underlined word “disrupting” in Paragraph 4 probably  mean?

A．Attending

B．Disturbing

C．Breaking

D．Following小题3:The author’s attitude towards being bilingual may best be described as __________.

A．positive

B．critical

C．casual

D．passive小题4:This text is likely to be selected from a book of __________.

A．geography

B．medicine

C．history

D．education

男性，8岁。于8月19日开始发热，头痛，当时测体温38℃，在外院诊断为上感，给予布洛芬退热，头孢菌素静滴无效，8月22日出现嗜睡，体温高达40℃，8月23日因昏迷伴抽搐入院。查体：神志不清，压眶有反应，体温40.5℃，血压、呼吸正常，双瞳孔等大，皮肤黏膜无出血点，颈强阳性，克氏征及布氏征阴性。近期有结核患者接触史。

该患者感染过程中出现最早的有诊断意义的抗体是（）。

A.补体结合抗体

B.血凝抑制抗体

C.中和抗体

D.Vi抗体

E.特异性IgM抗体

表现为椎体垂直方向上的粉碎骨折称为（）

A.线状骨折

B.凹陷骨折

C.粉碎骨折

D.开放性骨折

E.爆裂骨折