小明同学想知道橡皮泥的密度有多大，他用天平、量筒、水和细线进行如图所示的实验操作．

Do you have ________T-shirts?

He made the girl ____ (cry) yesterday.

公民依法参与国家政治生活、管理国家事务和社会事务、表达意愿的权利和自由是公民的政治权利和自由。下列选项中，属于公民政治权利和自由的是
①监督权  ②选举权和被选举权 ③维护国家统一和民族团结 ④政治自由

__ __ many Chinese women have received higher education, there are still obstacles that prevent them from enjoying the same opportunities for education and employment as men．