以下有关旅游资源分类的叙述，正确的是 ( ) A．山水园林属于自然景观 B．游乐

阅读理解。

     In 1896, the first modern Olympic Games was held in Athens, Greece. Since then many countries

have successfully held the Olympics,such as England, France, Germany,Canada, the USA, Spain and

Australia.After more than a century the Games returned to its hometown in 2004.

    When people hold the Olympic Games, they always make an emblem (会徽). The emblem of the

Athens Olympic Games in 2004 is a white circle of olive branches in the sky.

    Now Athens is developing a spirit of peace (和平). An officer said, "While in Athens, the world

should be at peace.We hope the peace is not just for a short time. We would like the message from the

Athens Games to help countries and regions come together and solve their problems. "

    In 2008, the Olympic Games was held in China.And China has already made a seal as the emblem

of the Beijing 2008 Olympic Games. The emblem has asingle Chinese character on a red seal and means"Chinese seal-dancing Beijing". Below it, there are the words "Beijing 2008". The character in the

emblem is "Jing". It means "capital" of China and it is also like a runner or a dancer.The running figure

(入形) of the emblem shows the spirit of the Olympics-faster,higher and stronger.

l. In which country was the first modern Olympics held?

A. Greece.            

B. China.

C. Australia.            

D. France.

2.What do people always make when they hold the Olympic Games?

A. A picture.      

B. An emblem.

C. A flag.            

D.  A map.

3.What message does the Athens Olympic Games want to give?

A. War.              

B. Luck.

C. Danger.            

D. Peace.

4.How many years had passed when Athens again held the Olympic Games?

A. 100.                

B. 104.

C. 108.                

D. 112.

5.The spirit of the Olympic Games is _____.          

A. history and friendship

B. faster, higher and stronger

C. running and dancing

D. peace, friendship and development

关于艾滋病的概念哪几项是对的（）

A.由人免疫疾病缺陷病毒引起

B.病毒特异性地侵犯TH细胞，致免疫缺损

C.临床表现主要是各种机会性感染和恶性肿瘤

D.诊断依据是血中检出抗-HIV和HIV-RNA

E.日常接触是重要的传播方式

急性白血病患者，染色体检查发现 t(15；17)，可诊断为

A．ALL

B．AML-M₃

C．CML

D．AML-M₂

E．AML-M₅

一般活动连接器的平均接头损耗值是（）

A.0.5dB

B.0.3dB

C.0.2dB

D.0.1dB

简述依栽培的生境分类时花卉的类型。