使用37°探头探测钢轨时，时基线声程为250mm，其代表的水平距离为（）。A、150

专家预测，未来10年，我国信息产业的产值将增加一倍，对经济增长的贡献率将超过50％。这表明

①高新技术产业对经济增长起重要作用  ②高新技术产品有着潜在的巨大市场需求  

③高新技术产业的发展必然会增加就业  ④凡是高新技术就必然有广阔的市场

A．①②

B．①③

C．②③

D．②④

改革开放以来，人们的幸福指数明显提高。要让人们不断增强幸福感，必须坚持发展，使财富更加丰饶充盈。人在社会中只有得到公正公平的对待，不受歧视，才会感到幸福。如果心理失衡，即使自己的经济收入比过去多，但看到在同样付出的情况下别人却拿得更多，也会感到不快乐。一个基本生活不愁的人，由于对钱财没有贪欲就会知足常乐；而一个腰缠万贯的人，将幸福完全物质化，在钱财上总觉得比上不足，内心就会长戚戚。

根据上文，请概括出幸福指数的三个要素。(每点不超过6个字)（4分）

要素一：___________   要素二：___________   要素三：___________

利用()可在工件上划出圆的等分线或不等分线。

A、分度头 

B、划针 

C、划规 

D、立体划线

TEACHER OF HEALTH AND SOCIAL CARE

This post is suitable for both experienced and newly qualified staff and part time would also be considered．

You will:

·Be a strong supporter of the school's vision．

·Be able to communicate your enthusiasm for your subject to pupils of all abilities．

We will offer you:

·A friendly and supportive team．

·An excellent track record at GCSE, A Level and professional courses．

DESIGN TECHNOLOGY TEACHER（ FOOD SPECIALIST）

This post is suitable for bodi experienced and newly qualified staff．Design Technology is a

strong department, fully staffed with specialist teachers．

The Department:

·Has 7 full time and 4 part time specialists．

·Is recognized nationally as an outstanding department through its work with Young Engineers．

You will:

·Have the ability to teach Food Technology．（The ability to offer more than one DT subject or Health and Social Care would be an advantage but not essential）

·Have the ability to integrate ICT into their teaching．

We will offer you:

·A friendly and supportive team in a successful department．

·Free loan of your own laptop．

TEACHER OF ENGLISH

This post is suitable for both experienced and newly qualified staff．

You will:

·Have excellent teaching skills and good classroom management．

·Have the ability to teach both English Language and Literature at KS3, KS4&KSs（if possible）．

We will offer you:

·A friendly and supportive team of eleven specialist members of staff．

·The opportunity to teach media and/or communication studies if appropriate （not essential）．

64．According to the passage, the ability to make pupils interested in their courses is important for

A．teachers of English        B．design technology teachers

C．teachers of health and social care        D．teachers of food technology

65．Communication may be taught in the class of ____．

A．English．            B．Design Technology

C．Health and Social Care        D．Food Technology

66．Design Technology is excellent because ____．

A．it is partly made up of qualified staff     B．they have specialist teachers

C．11 specialists are full-time      D．they provide free laptop

67．Literature is required ____．

A．for Design Technology    B．for Food Technology

C．at KS4          D．for Health and Social Care

水在冷却塔中被冷却的因素有两个，即（）和（）。