题目内容
在迈克耳孙干涉仪的一条光路中，放入一块透明薄片，屏上的干涉条纹不会发生任何变化。
查看答案
搜索结果不匹配？点我反馈
更多问题
线偏振光是横波，部分偏振光不是横波。
光具有偏振现象，所以光是横波。
Identify how the following paragraphs are developed. (comparison & contrast, cause & effect, classification, definition)School uniforms should be mandatory for all students for a number of reasons. First, they make everyone equal. In this way, the “rich” kids are on the same level as the poor ones. In addition, getting ready for school can be much faster and easier. Many kids waste time choosing what to wear to school, and they are often unhappy with their final choices. Most importantly, some studies show that school uniforms make students perform better. Many people might say that uniforms take away from personal freedom, but I believe the benefits are stronger than the drawbacks.
Identify how the following paragraphs are developed. (comparison & contrast, cause & effect, classification, definition)According to The American Heritage Dictionary, gossip is a “trivial rumor of personal nature,” but this definition makes gossip sound harmless. At first, gossip might not seem so bad. One person tells a second person something about someone, and that second person tells a third, and so on. The information passes from person to person. However, gossip is much more than just information and rumor. As the rumor continues, it grows and changes People do not know all the facts. They add information. As the gossip goes from one person to the next person, the damage continues, and the person who is the subject of the gossip can’t do anything to answer or protect himself or herself. Because the potential damage may range from hurt feelings to a lost career, gossip is much worse than simply a“trivial rumor.”
微信支付 
支付宝支付