α∈(π,2π),tanα=,则sinα+cosα的值是_______________.
阅读下面的文字，完成后面小题。 谁来加厚信息时代的文化土层 打开微信“朋友圈”，就能看到一个完整的文化微缩景观：既有“小清新”，也有“情
光绪朝时，“洋商见我工商竞有新法，深中其忌，百计阻抑，勒价停市。上年江浙、湖北等省，缫丝、纺纱各厂，无不亏折，有歇业者，有抵押与洋商
Tracy wanted to be _____of her parents after graduation, and tried to live alone. A. aware B. confident C. independent D. proud
下列四个化学反应，对其反应类型的判断，正确的是（ ） A．2CuO+C2Cu+CO2↑是复分解反应 B．Fe2O3+6HCl═2FeCl3+3H2O是置换反应 C．2H2022H20+O2↑是分解反应 D．
Children under the age of five can see the show ______ free. A) to B) in C) with D) for
Mr. Chen teaches _______ math. We all like ________ very much. A. us; him B. our; his C. us; his D. our; him
