两个数相除，如果被除数扩大20倍，除数缩小10倍，商[ ] A．扩大20倍 B．

读“中国略图”，完成下列问题．

（1）填图中序号代表的地理事物名称：

回忆中国山脉的分布，仔细看图

填出下列山脉：①______②______③______

重要河流：④______

填地形区：⑤______盆地

省区名称：⑥______省（区）

行政中心：⑦______市

填出图中字母所代表的地理事物名称：A______（国家），B______（国家），C______海（中国内海）．

One spring day in 1950 in New Mexico, the United States, someone saw s 小题1:  coming from a forest and called the fire station at once. The firemen saw a big fire on the ground between the trees, which was spreading(扩散)quickly because of a s 小题2:  wind. Many people t 小题3:  to fight the fire, but as soon as one area was under control, the fire spread to another area. S  小题4:  , a firemen saw a baby bear close to the fire. It was t 小题5:  in the bushes. The fireman bravely ran over and took it away from the f  小题6:  .

After the firemen put o 小题7:   the fire, a farmer took the bear to his farm. A reporter wrote about this lucky bear in the newspaper and soon many people knew his story. Soon he was given a home at the National Zoo in Washington DC. People wanted to remind everyone in the USA about the dangers of forests fires so they put up big signs with p 【 小题8】 of the bear, which said, ‘Only you can p 【 小题9】forest fires from happening!’ The little bear became the most f 小题8:animal in the country.

以下哪家不是携程旗下“鸿鹄逸游”的组成公司（）

A.台湾易游网

B.香港港龙集团

C.香港永安旅游

D.太美国际旅行

骨质疏松的主要原因是______，治疗此病的首选措施是______。

贵州省博物馆的重点藏品是（）。

A.少数民族文物

B.革命纪念文物

C.矿物岩石