端午时节，海内外华人划龙舟、吃粽子的习俗是为了纪念湖湘文化的开启者（    ）

钱穆在《国史大纲》中指出：“秦、汉以来中国政治之长进，即在政府渐渐脱离王室而独立化，王室代表贵族特权之世袭，政府代表平民合理之进退，而宰相为政府领袖，君权、相权，互为节制。”下列最能支持该观点的制度是（    ）

正方体ABCD—A₁B₁C₁D₁ 中，EF是异面直线AC和A₁D 的公垂线，则EF和BD₁的关系是 （     ）

____ We make         (玩具)in the factory for children from 1 to 5 years old.
____ Mr. Wang enjoys r         newspapers in the morning.
____ He is a police man .It's a             (危险的) job.
____ I think giraffes are good-looking, but lions are u__________ .
____  There is much ________ （雨）here in summer.
____ My mother is l_________ on the beach.
____ What s_________ skirt would Joe like?
____ He is from France. He speaks F________ .  
____ The park near my home is very d_________（脏）, I don't like to go there.
____ There are three            (小偷)in the police station.