A:a>﹣b
B:a<﹣b
C:﹣2a>﹣2b
D:﹣2a<﹣2b
泰国、越南、缅甸都是世界重要的稻米出口国,这里有适宜水稻生长的气候条件是( )
—Do you know the population of India is?
— No. I only know it's much of the United States of America.
如图为针刺后引起缩手反射的反射弧模式图,下列说法正确的是( )