题目

 During the war, he         much pain. A.      is suffered       B. suffered       C. was suffered       D. was suffered from 答案：B植物个体发育的顺序是( )A．受精卵→胚乳→植株B．受精卵→胚→植株C．胚→胚乳→植株D．胚乳→胚→植株