格拉夫卵泡颗粒细胞的营养来自（） A.卵泡外膜 B.卵泡内膜 C.卵泡腔 D.卵丘

材料A-F提供了六家旅行社的信息，请根据以下五人Nancy, Carlos, Edie, Tom, Alice各自的需求选择合适的旅行社。

A. Dalian International Tourist Agency

Our tourist agency has a five-day tour from Yantai to Qingdao. During this period, our best guides will take you to see the attraction of the sea and swim by the seashore.

B. Mount Tai Tourist Agency

Mount tai is well-known for its great views at home and abroad. This time our trip will give you the chance to enjoy the typical attraction of the natural scenes of the mountain. During this time, you can see how the sun rises in the east and the endless sea of clouds at sunset.

C. New Land Tourist Agency

In this summer vacation, our agency plans to visit Wang’s Grand Courtyard in Shanxi Province. In this one-day tour, we will lead you to the attraction of the well-known courtyard as well as the typical food culture in this area.

D. Peking Tourist Agency

Our agency will have a special three-day trip in Beijing. In our trip you will see the grand Forbidden City, the Bird’s Nest, Hutong and the Great Wall.

E. Sichuan Youth Tourist Agency

Our agency will organize a special trip to Jiuzhaigou. In the valley, we can enjoy the beautiful lakes, waterfalls and animals. During the period, you can put yourself in the natural environment.

F. Hangzhou Tourist Agency

Our agency plans to boat in the West Lake in this summer vacation. During this tour, you will see the beautiful scene of the West Lake. Also, you can have fun with your friends on the boat.

小题1:Nancy:I really want to visit a place where I can be far away from the city. I want to see wonderful waterfalls and quiet lakes there is no noise, no pollution and no troubles.

小题2:Carlos:Recently, I am interested in the courtyards and the special food culture in Shanxi Province. So I want to see the famous courtyards this summer vacation.

小题3:Edie:I really want to see the typical sports stadium in Beijing. Besides, I want to visit the Forbidden City and Hutong, so I can know more about the culture there.

小题4:Tom:I like climbing very much, because I find it not only a kind of sport, but also a good way of getting closer to the nature. At the same time, I can enjoy the scene of sunrise and the sea of clouds.

小题5:Alice:I live in a place far from the sea, so I want to go somewhere by the sea.

氢气不同与其他气体的最显著特点是（　　）

A．无色无味

B．密度最小

C．可以燃烧

D．难溶于水

简述健美操运动的起源。

小蓟饮子的功用是

A．益肾滋阴，清心利水
B．清热泻火，利湿通淋
C．凉血止血，利水通淋
D．清热育阴利水
E．健脾祛湿，化气行水

慢性硬膜下血肿的表现（）

A．病灶区rCBF增高

B．病灶区rCBF减低

C．普通脑显像见异常减低区

D．普通脑显像出现“新月”征

E．普通脑显像见弥漫性放射性增加