完形填空。A teenage boy couldn't stand his parents' family rules，so he left home.He wanted to be __1__，but he had poor education and several years later，he had to ask for food on the street
This tour takes you back in history to a moment that “will live in infamy （声名狼藉）. ” Explore the historic artifacts at the Arizo
历史上许多改革都注重移风易俗，甚至以此作为改革的象征。孝文帝改革鲜卑旧俗，说汉话，穿汉服，用汉姓，与汉族通婚，实行全盘汉化；日本明治
过点作圆的弦，则最短的弦长为___________.
This is a street crossing. There are red and green lights at each corner. Drivers must watch the lights carefully. When there is a green light, the car may go on. When there is a
“分类”是学习化学的一种重要方法，以下分类正确的是（ ） A. 大气污染物NO2、PM2.5、CO2 B. 混合物：海水、石灰水、冰水 C. 合金：生铁、不锈钢
地球自转产生的地理意义有 A. 产生昼夜现象 B.使赤道上水平运动的物体向右偏转 C.太阳直射点的南北移动 D.地球上不同经度的地
明朝在西南地区推行“改土归流”而设置的机构是（ ）A．贵州布政使司 B．贵州行省 C．贵州都指挥使司 D．贵州按察使司
