油田开发就是依据成果和必要的（），在综合研究的基础上对具有工业价值的油田进行开发A、

环境是人类赖以生存的条件，环境问题一直是困扰着人类可持续发展的一个重要因素。请   结合下图回答： 

(1)你对此图的感受是__                                      _                                     ___ ； 

(2)对此情况你的一点建议是_____                                                               _

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。 选项中有两项为多余选项。

The sea has always interested man. From it he can get food, minerals, and treasure.   小题1:   But he could not go far beneath its surface.

  小题2:   However, he is not a fish. He must breathe air, so he can’t stay under the water’s surface for any length of time. To explore deep water, man faces even more dangers and problems.

A diver who wants to stay under water for more than a few minutes must breathe air or a special mixture of gases.   小题3:   He can carry a tank of air on his back and breathe through a nose and a mouthpiece. Water weighs 800 times as much as air. Tons of water pushes against a diver deep in the sea.   小题4:  

When a diver is under great pressure, his blood takes in some of the gases he breathes. As he rises to surface, the water pressure becomes less. If the diver rises too quickly, the gases in his blood form bubbles(气泡). The diver is then suffering from the bends(潜水夫病). The bends can cause a diver to double up in pain.    小题5: 

A．His body is under great pressure.

B．Scientists are trying to find more about the sea.

C．For thousands of years, he could sail on it.

D．They can even kill him.E. He can wear a diving suit and have air pumped to him from above.

F. The water pressure can cause a diver to breathe with difficulty.

G. Man wants to explore deep into the sea.

在我国第三方物流的主要运作模式有哪几种？

瓷器茶具，湖南醴陵；河北唐山；安徽祁门的白瓷各有千秋，中国白瓷瓷都在江西（）；中国青瓷主产浙江（）。

能造成埋钻事故的是（）。

A、孔壁垮塌

B、岩粉沉淀

C、泥浆泵排量不足

D、钻进深度