A:质点在位置b比在位置d时相位超前
B:质点通过位置b时,相对平衡位置的位移为A/2
C:质点从位置a到c和从位置b到d所用的时间相等
D:质点从位置a到b和从b到c的过程中平均速度相等
2005年美国、埃及科学家联合对金字塔进行大规模考古揭秘,同时向全球电视直播,引起观众的强烈反响。这反映出电视艺术
①对艺术品的“真实”复制和“原貌”展示,使艺术品走下圣殿
②普通人有了欣赏艺术珍品的机会
③普通大众与艺术之间的距离越来越近,极大地丰富了人们的精神生活,扩大了视野
④艺术借助电视实现了前所未有的最广泛意义上的传播
根据短文内容,选择正确答案。
I am a student in China now. My name is Kelly Smith. I live with my parents, two sisters and a brother in Beijing. My parents teach English in No. 6 Middle School. I study in the same school. I am happy here, because I like my new school and the classmates. They are very kind to me. They like to play with me because I look different from them. I have blue eyes and long blond hair. They often say I look like a doll. Also I speak English well. so lots of students like to tam with me to improve (提高) their English.