根据结构和功能,细胞因子可被分为()、()、()、()、()和()等六类。
细胞因子生物学效应的复杂性表现为()、()、()、()和()。
A.explore B. transmit C. resource D. emerge E. yield F. pose G. assumeH.confidence I.inherit J. comprehensiveIt is so difficult to_____the bottom of the ocean because some parts are very deep.
A.explore B. transmit C. resource D. emerge E. yield F. pose G. assumeH.confidence I.inherit J. comprehensiveIt was about 30 seconds before Alex ___from the water; we were quite scared.