纯氧曝气系统氧利用率可达（） A.80～90% B.60～80% C.40～60%

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        The 12th China Music Chart Awards were handed out on Saturday, with stars from China's mainland,

Taiwan and Hong Kong appearing and putting the spotlight on Beijing.

        A total of 17 awards were presented, among which four awards were given to original (原创) musicians. 

        Taiwan pop singer Jay Chow and Stefanie Sun from Singapore remain the most popular, taking Most

Popular Male Singer and Most Popular Female Singer.

        Their mainland counterparts are both first-time winners. Sha Baoliang was selected as Most Popular Male

Singer. And the Most Popular Female Singer Award went to veteran singer Sun Yue.

        Age of Water and Wood, A duet band by two former students from Tsinghua University, won Best Group.

Widely acknowledged for their talent in singing and composition, the two band members now pay more attention

to their appearance. Their new image took fans by surprise. 

        Taiwan pop group S.H.E was awarded Best Group in the Taiwan and Hong Kong Region. F.I.R, also from

Taiwan, was chosen as Most Popular Band.

         Best Records went to Xu Wei from the Chinese mainland, known for their campus songs. The duo found

their surprise success from their first electronic album "I Like Tricky Music," released in early 2004.

         The earliest event of its kind on the Chinese mainland, the China Music Chart Awards was set up in 1993

with an aim to promote (提高)original Chinese music.

         It is organized by the Chinese National Satellite Music Radio Associated Network made up of several

Chinese music radio stations.

1. At the 12th China Music Chart Awards Presentation, ________ were handed out including ______.

2.Jay Chow and Stefanie Sun Won the two awards of ____________and ________________.

3. The duet band (二重声乐队) Age of water and Wood formed by two former students from ______________, earned the award of __________________________.

4. Best Records Award went to went to Xu Wei from _______, who is famous for_________.

5.The China Music Chart Awards was set up in 1993 to__________________________.

某地块1995年11月28日的地价为2000元/m²，1995年11月28日至1998年11月28日的地价指数上涨15%(其他情况不变)，则该地块1998年11月28日的土地价格为( )元/m²。

A．2600

B．23000

C．2900

D．2300

符合大叶性肺气肿病理改变的是（）

A.病变肺体积增大

B.肺间隔正常

C.镜下可见肺泡数量正常，肺泡扩张

D.肺间隔增厚

E.异常血管供应

虱传回归热的好发季节是

A．夏秋两季

B．冬春两季

C．春季

D．冬季

E．夏季

鼻腔粘膜包括____和_____，前者约占成人鼻粘膜的1/2。