漫画《船在垃圾山下行》表明[ ] A.我国自然资源匮乏 B.我国水土流失严重

题型:选择题

问题:

漫画《船在垃圾山下行》表明[ ]

A.我国自然资源匮乏

B.我国水土流失严重

C.我国水资源分布不平衡

D.我国存在着严重的环境问题

考点:保护环境、节约资源的基本国策
题型:选择题

About twenty of us had been fortunate enough to receive invitations to a film-studio(影棚)to take part in a crowd-scene. Although our "act" would last only for a short time, we could see quite a number of interesting things.

We all stood at the far end of the studio as workmen prepared the scene, setting up trees at the edge of a winding path. Very soon, bright lights were turned on and the big movie-camera was wheeled into position. The director shouted something to the camera operator and then went to speak to the two famous actors nearby. Since it was hot in the studio, it came as a surprise to us to see one of the actors put on a heavy overcoat and start walking along the path. A big fan began blowing tiny white feathers down on him, and soon the trees were covered in "snow". Two more fans were turned on, and a "strong wind" blew through the trees. The picture looked so real that it made us feel cold.

The next scene was a complete contrast(对比).The way it was filmed was quite unusual. Pictures taken on an island in the Pacific were shown on a glass screen. An actor and actress stood in front of the scene so that they looked as if they were at the water's edge on an island. By a simple trick like this, palm trees, sandy beaches, and blue, clear skies had been brought into the studio!

Since it was our turn next, we were left wondering what scene would be prepared for us. For a full three minutes in our lives we would be experiencing the excitement of being film ”Stars”!

小题1:Who is the author?

A.A cameraman.

B.A crowd-scene actor.

C.A film director

D.A workman for scene setting小题2:What made the author feel cold?

A.The heavy snowfall.

B.The low temperature

C.The man-made scene..

D.The film being shown小题3:What would happen in the "three minutes" mentioned, in the last paragraph?

A.The next scene would be prepared.

B.More stars would act in the film.

C.The author would leave the studio.

D.A new scene would be filmed.

题型:选择题

下列各组属于同一物质的是

A.冰和干冰

B.火碱和烧碱

C.熟石灰和生石灰

D.小苏打和苏打

题型:选择题

儿童眼球突出最常见的原因是()

A.眶蜂窝织炎

B.眶内血管瘤

C.眶内皮样囊肿

D.视网膜母细胞瘤

E.横纹肌肉瘤

题型:选择题

轮对标记有哪些?各标在什么位置?

题型:选择题

下列哪些结构为具膜细胞器。()

A.核糖体

B.内质网

C.线粒体

D.溶酶体

E.高尔基复合体

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