【简答题】Questions 16-20 Choose the correct translation form A-E in the box. 16. T here was a campaign of “One child is good, two are okay, and three are too many. ________ 17. People have been able to save mo...
【简答题】下图中图A和图B分别为蓝藻和细菌的结构图,请回答: (1)从细胞结构的特点与复杂程度来看,A、B均属于_____1____细胞;从代谢类型来看,A细胞内因含有__2____和___3____属于自养生物,B中绝大多数种类是营 ___4____或___5____的异养型生物。(2)A、B两类生物共有的结构是___6___,这也说明了细胞的__7____性。
【简答题】T here have been two struggling parties in this empire, under the names of TRAMECKSAN and SLAMECKSAN, from _____________________ of their shoes, by which they distinguish themselves
【简答题】A l low Me to Introduce Myse l f Good afternoon, respected professors. Thank you for giving me this oppor t unity. I am greatly honored to be here. Now please allow me to introduce myself briefly. My...
【简答题】藻类、蓝细菌的营养类型属于 ,有机光合细菌利用有机物为供氢体,还原二氧化碳,进行光合作用的营养类型属于 ,亚硝化细菌和硝化细菌分别氧化氨和亚硝酸生成亚硝酸和硝酸并获得能量,其营养类型属于 。多数细菌和全部真菌的营养类型属于 。