Last night I was getting ready for the coming examination while the noise from my neighbor interrupted me. The noise went on and on. It was too loud that I could hardly pay attention with my study any longer. So I went to my neighbor house and said him, “Excuse me, would you please turn down the TV? I’m preparing for tomorrow’s examination.” Hear these words, his face turned to red. And he said, “OK, I will. I’m very sorry have made so much noise. Just now, the football game was very wonderful. I was too exciting to control myself. I won’t do that again. Good luck in your coming examination.” After that, I got down to his study.

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我国科学家在CO低温氧化的研究上取得了突破性进展。即使四氧化三钴（Co₃O₄）纳米棒的催化，使汽车尾气中的CO在低温时与O₂反应生成CO₂。下列关于该反应的说法中，不正确的是（）

With the help of the doctor, now my grandpa is out of ____ (dangerous).

Be careful when you come _______ the street, because the traffic is very busy at the moment.