被人们称为“科学的春天来了”的科学大会是在（）召开的。A、1976年 B、1978年

—Who do you think will get the first prize?

     —Mary, of course. She ________ for the competition for months.

A．is preparing

B．was preparing

C．has been preparing

D．had been preparing

依次填入下列句中横线处的词语，最恰当的一组是（3分）            

①在9月28日举行的孔子文化节祭孔大典上，“有朋自远方来，不亦乐乎”等五句《论语》经典名句被           为2008北京奥运会迎宾语。

②我们知道，照相需讲求一定的技巧，如果在拍摄的那一瞬间减少相机的         ，那么相片的质量就会大大地提高。

③酒泉原是一片沙漠，现已成为举世瞩目的地方，它          一个绿洲，一个生态城市，           中国太空飞行所需要的卫星发射中心。

A．举荐震动既是/又是

B．举荐振动不仅是/还是

C．推荐振动既是/又是

D．推荐震动不仅是/还是

周期性麻痹首先侵犯（）

A.双侧下肢诸肌

B.眼外肌

C.双侧上肢诸肌

D.肋间肌、膈肌

E.四肢远端肌肉

There (1) not one type of reading but several according to your reasons for reading. To read carefully, you have to (2) your reading speed and technique (3) your aim (4) reading. Skimming is a technique necessary for quick and efficient reading.

When skimming, you (5) the reading (6) quickly in order to get the (7) of it, to know how it is organized, (8) an idea of the tone or the intention of the writer. Skimming is (9) an activity which (10) an overall view of the text and (11) a definite reading competence.

Skimming doesn’t need reading all the material, but it doesn’t mean that it is an (12) skill for the lazy, because it need a high degree of alertness and concentration.

When you read, you usually start with (13) understanding and move towards detailed understanding rather than working the other way round. But (14) is also used after you have already carefully studied and you need to (15) the major ideas and concepts.

In order to be able to skim quickly and (16) through a text, you should know where to look for what you want. In preview skimming you read the introductory information, the headings and subheadings, and the summary, if one is provided. (17) this skimming, decide whether to read the material more thoroughly, and select the appropriate speed (18) you read.

The same procedure (19) for preview skimming could also be used to get an overview. Another method would be to read only key words. This is done by omitting the unnecessary words, phrases, and sentences.

In order to skim efficiently and fulfill your purpose, (20) practice is necessary.

14().

A.reading

B.understanding

C.working

D.skimming

进口的计量器具，必须经（）以上计量行政部门检定合格后销售使用。

A.县级

B.地市级

C.省级

D.国务院