A：青藏高原
B：云贵高原
C：黄土高原
D：内蒙古高原
稀土是具有战略意义的国家资源。已知铕是稀土中的一种很珍贵的元素，它的核电荷数是63，相对原子质量是152。则关于铕元素下列说法正确的是（ ）
为庆祝***成立90周年，全国各地开展了“唱响中国”“红歌进校园”等丰富多彩的活动。这些活动的开展有利于（ ）
①传承弘扬中华民族精神 ②提高公民的思想道德素质
③促进社会主义精神文明建设 ④构建社会主义和谐社会
B
Indoor Water Park
Opening time
◆9: 00a.m.--6:00p.m. from Monday to Friday
◆8: 00a.m.- 10: 00p.m. from Saturday to Sunday
Ticket price
◆Adults: 150 yuan/person: 130 yuan/member
◆Children: above 1.2 meters, 75 yuan/person; 60 yuan/member under 1.2 meters. free
Should not take
food, pets, knives, rings
Things to remember
◆Children under 1. 4 meters and old people above 60 should stay with other adults
◆You should follow the rules in the water park.
◆If you have some health problems and aren't suitable for water activities, you'd better not come in
