--How do you like this piece of music by Tan Dun? --Well,of all the music that he has written,I think this is his ____ one. A.better-known B.well-known
水煤气法制甲醇工艺流程框图如下: 已知:除去水蒸气后的水煤气含55%~59%的H2,15%~18%的CO,11%~13%的CO2,少量的H2S、CH4,除去H2S后,可采
1942年中共发动了整风运动,下列各项,不属于此次运动所产生的重大影响的是( ) A.使全党从教条主义束缚中解放出来 B.进一步掌握了马列主义
It is certain that he will ________ his business to his son when he gets old. A.take over B.think over C.hand over
One day in early December, we woke up to discover a heavy fall of snow. “Mom, can we go __31__ after breakfast?” my eleven-year-old daughter Erica begged. I didn’t want to __32__ her request,
下列“假如我是人大代表”的模拟情景中,“我”的行为不当的是( ) A.当我被选为人大代表后,在人大网站专门开设群众信箱征集各方面意见 B.当我
下表是我国30°N附近四个省级行政中心城市的气候资料,读表回答19~20题。 省级行政中心城市气温(°C) 降水量(mm) 1月 7月1月7月全年 ①3.829
函数f(x)=x3+ax2-3x-9,已知f(x)的两个极值点为x1,x2,则x1·x2=( ) A.9 B.-9 C.1 D.-1