金属管道中所产生的硫化氢及二氧化碳气体的腐蚀为()腐蚀。
A、气体
B、细菌
C、大气
D、水质
参考答案:A
Ten years ago, I had worked as a night guard in a factory. On a rainy night, all the lights of factory went out all of a sudden. I rushed out and could see nothing. Lucky for me, the warning system was directly connected with the police station. Three or four minutes late, four police car arrived at the front gate. They searched for the factory carefully, tried to find something unusual. In the end, I am told that the rain had brought about the short circuit, that caused the accident.
艾黎•福尔在《世界艺术史》中说:“他们关注光的交换、色的逃遁所构成的无穷无尽、颤动不已的漩涡,……陶醉于光线的千变万化。”下列作品中体现他们这种“关注”的有()
A.①④
B.②③
C.②④
D.①③