对热源而言，火候表示在单位时间内产生热量的多少。( )

阅读理解。

     It is Mike's birthday today.His mother buys a lot of food from the supermarket.Look at the table.There is a lot of

food on it.There are cakes,hamburgers,dumplings,meat,and fish.She buys a lot of drinks,too.There are coffee,coke,

apple juice,orange juice.There is tea,too.

     Mike asks some of his friends to his birthday party.They are Tom,Mary,Betty and Lily.All the children are eating

and drinking happily at the table.Lily is from China.She doesn't like coffee very much.She likes tea,coke and juice.All

the other children are all American.  They love coffee very  much.  They all enjoy the food.   After the dinner,  all the

children are singing and dancing.Lily sings a Chinese song.She sings very well.All the other children love her song

very much.The other children can't sing in Chinese,so they sing in English.All of them have a good time.

1.Why does Mike's mother buy so many things?

A.Because it is her birthday.

B.Because it is Mike's birthday.

C.Because Mike likes to eat them.

D.Because it is Mike's father's birthday.

2.How many children are there at the party?

A.There are five.

B.There are three.

C.There are four.

D.There are six.

3.Lily doesn't like        very much.

A.coke

B.coffee

C.orange

D.tea

4.Lily comes from        .

A.America

B.Japan

C.China

D.Canada

510.What do the children do after the dinner?

A.They see a film.

B.They watch TV.

C.They play football.

D.They sing and dance.

证券投资基本分析的理论基础主要来自于（）。

A.经济学

B.金融学

C.财务管理学

D.概率论

( )是设备从设计质量转化为实物质量的重要基础性环节，在该过程中，依据生产技术准备所提供的各种技术条件，按工艺要求生产出符合设计规范(图纸、质量标准)的产品，并控制符合质量的稳定性。

A．安装调试过程

B．采购过程

C．生产制造

D．策划过程

为什么工件经淬火后往往会产生变形，有的甚至开裂？减小变形及防止开裂有哪些途径？

In every cultivated language there are two great classes of words which, taken together, comprises the whole vocabulary. First, there are those words (1) which we become acquainted in daily conversation, which we (2) , that is to say, from the (3) of our own family and from our familiar associates, and (4) we should know and use (5) we could not read or write. They (6) the common things of life, and are the stock in trade of all who (7) the language. Such words may be called "popular", since they belong to the people (8) and are not the exclusive (9) of a limited class.

On the other hand, our language (10) a multitude of words which are comparatively (11) used in ordinary conversation. Their meanings are known to every educated person, but there is little (12) to use them at home or in the market-place. Our (13) acquaintance with them comes not from our mother’s (14) or from the talk of our school-mates, (15) from books that we read, lectures that we (16) , or the more (17) conversation of highly educated speakers who are discussing some particular (18) in a style appropriately elevated above the habitual (19) of everyday life. Such words are called "learned", and the (20) between them and the "popular" words is of great importance to a right understanding of linguistic process.

6（）

A.mind

B.concern

C.care

D.relate