It is not uncommon for there _____ problems of communication between the old and the young.
D
暂无解析
Professor Johnson is said _____ some significant advance in his research in the past years.
U.S. News ____________ rankings of colleges since 1983. They are a very popular resource for students looking to apply to university campus.
When the police officers who took part in the King beating were first brought to ___________,their lawyers used the videotape as evidence against the prosecution.
患者男,40岁,2周来右侧咬物不适,冷水引起疼痛,近2日来夜间疼痛,影响睡眠,并引起半侧头痛,疼痛不能定位,检查右侧上、下磨牙面均有深的龋洞。对患牙的应急处理为