题目

You’re enjoying a quiet evening at home when suddenly your neighbor's dog starts barking（吠叫）and doesn’t stop. Sure, dogs need to bark every now and then, but if the barking is getting in the way of your daily life, you need to do something.Before you take action, make records of when the dog is disturbing. Record the dates and times when the barking appears to find out the features of the barking. Check them carefully and get your facts straight. You might notice the barking only happens when the owners are at work, or during thunderstorms.After two to three weeks, visit your neigh我国古书曾记载有：“公元前28年三月乙未，日出黄，有黑气大如钱，居日中央。”据此回答下面小题。【1】记载中所说的黑气指(　　)A. 耀斑 B. X射线 C. 紫外线 D. 黑子【2】这种现象发生在太阳的(　　)A. 光球层 B. 色球层 C. 日冕层 D. 内部