关于温度、内能、热量三者的关系，下列说法正确是（ ）A．温度高的物体，内能一定大B．物体温度升高，一定是吸收了热量C．物体吸收了热量，
根据枸杞产量与气候条件的关系，把宁夏划为枸杞的适宜、次适宜和不适宜种植区，从而为枸杞种植的合理布局提供了参考依据。读图完成下列小题。
We know that a smile is usually a sign _____ people feel friendly and happy, but _____ we don’t know who the new person is? A. that; what if B. when; what
我国奉行独立自主的和平外交政策。这一外交政策的宗旨是（ ） A．独立自主 B．维护我国的独立
Putin will run for president next March in an election that could open the way for him to stay in ______ for 12 more years. A. power B. force
D Even a child knows that nodding(点头) the head means “Yes”. But some people will probably be puzzled when they first come to India.
一定量的NaOH溶液中逐滴加入等质量等质量分数的稀盐酸，下列各物质的量与所加入稀盐酸的质量关系不正确的是
甲乙两种非金属性质比较，有①甲比乙容易与氢气化合；②甲单质能与乙的阴离子发生置换反应；③最高价氧化物对应的水化物酸性比较，甲比乙的强
