可见第一极体和细胞核的卵细胞是A．卵冠丘复合体 B．GV期 C．MⅡ期 D．MI期

Mr. Green is from England. He ______ speak English. [ ]

A. can't

B. shouldn't

C. must

D. mustn't

By the time you come back, your aunt ______ for Nanjing to attend a meeting. [ ]

A. will leave

B. leaves

C. left

D. will have left

建设新型国家，就要把增加( )作为发展科学技术的战略基点，推动科学技术的跨越式发展。

A．统筹安排

B．自主创新能力

C．科学规划

D．文化建设

职工医保患者在什么情况下进入大病保险？

《老人与海》中，曼诺林这个孩子很讨厌老人圣地亚哥。