氧气转炉炼钢炉内发生的乳化和泡沫能够增加反应的表面积。（）

阅读理解。

     Mount Qomolangma is the highest mountain in the world. It is in the Himalayan (喜玛拉雅) Mountains

between Nepal (尼泊尔) and China, and it is 8900 meters high. Sir Edmund Hillary from New Zealand and

Tenzing Norgay from Nepal were the first people ever to climb Mount Everest in 1953. Men from several

different countries climbed it after that.

     Junko Tabei, a Japanese was the first woman to make this difficult climb. A Japanese newspaper-television

company chose the fifteen women from mountaineering clubs to climb Mourn Qomolangma in 1975. The

group climbed for several days. Then there was an accident. The heavy ice and snow hurt ten of the women.

They had to stop climbing. The other five went on climbing.

     Only Ms. Tabei was able to climb the last 70 meters. She was standing on the top of the world. She was

the first woman there. Ms Tabei was 35 years old at the time. She started climbing mountains in 1960. She

still climbs mountains. She is not an ordinary Japanese housewife. Ms. Tabei makes money for her trips by

teaching English and piano to children. She climbs a mountain about every three years. She has climbed some

of the highest mountains in six countries. Finally, she wants to climb the highest mountain in every country in

the world. When she reaches the top of a mountain, she thinks, "I'm glad that I'm at the top."

1. Mount Qomolangma is ______. [ ]

A. an ordinary mountain

B. the highest mountain in the world

C. in the southwest of China

D. close to Nepal

2. The climber from New Zealand first climbed Mount Qomolangma in ______. [ ]

A. 1975

B. 1960

C. 1935

D. 1953

3. What happened to ten of the women climbers on the way to the top of Mount Qomolangma? [ ]

A. They were too tired to climb to it.

B. There was no air for them.

C. The heavy snow stopped them.

D. They were hurt by heavy ice and snow.

4. How many women climbed up to Mount Qomolangma in 1975? [ ]

A. One.

B. Five.

C. Ten.

D. Fifteen.

5. What kind of person is Ms, Tabei? [ ]

A. She's a housewife who has climbed many high mountains in the world.

B. She teaches children English and piano to make money.

C. She's a usual housewife who helps a lot at home.

D. She climbed the highest mountain in the world many times.

阅读材料,回答下列问题。（17分）

材料一 ：图A 是我国部分调水工程线路示意图,图B 是美国加利福尼亚州调水工程线路示意图。

材料二： 加利福尼亚州调水工程年调水量52 亿立方米,受益于该调水工程,加州发展成为美国人口最多、灌溉面积最大和粮食产量最高的一个州。

材料三： 黄淮海流域人均水资源量仅为全国平均水平的21%,有2 亿多人口不同程度存在饮水困难,工农业发展受到严重制约。我国该调水一期工程计划于2014 年底通水,将大大缓解黄淮海地区的用水紧张状况。

（1）比较图A和图B两地调水方向的差异                      （2分），从自然与社会经济分析B图调水方向的原因。                                         （3分）

（2）从可持续发展的角度分析跨流域调水对京津地区社会经济及环境的主要影响。（6分）

（3）要缓解黄淮海地区的用水紧张状况，还可以采取哪些有效措施？（6分）

微管的功能包括（）

A.支持功能

B.细胞运动

C.物质运输

D.信息传递

请你写出上海合作组织的成员国名称？

甲胎蛋门对哪种肿瘤的诊断特异性较高

A．肺癌
B．原发性肝癌
C．骨癌
D．白血病
E．甲状腺癌