【单选题】下图中a→d表示连续分裂的动物细胞的两个细胞周期。下列叙述中不正确的是 [ ]
【单选题】The medical team________ten doctors and six nurses.
【单选题】definition [defi’niʃən]
【单选题】下图为洋葱根尖细胞分裂周期示意图,下列叙述错误的是
D.
在5时期发生的主要变化是DNA的复制和有关蛋白质的合成
【单选题】He wanted to join the medical team to help the victims in the earthquake but he______for his poor health.
【简答题】In relation to the law of contract: (a) defi ne an offer; (5 marks) (b) explain the specifi c meaning and effect of (i) a counter-offer; (3 marks) (ii) a unilateral offer. (2 marks)
【单选题】数据库系统的数据独立性体现在
B.
不会因为系统数据存储结构与数据逻辑结构的变而影响应用程序
D.
不会因为某些存储结构的变化而影响其他的存储结构
【简答题】等倾干涉条纹和牛顿环有何异同?在实验中如何区分这两种干涉图样?
【单选题】There were no doctors in the poor area, ________ the medical team had to work hard. [ ]
【单选题】动物的胚胎干细胞具有不断分裂与分化的能力,下列叙述错误的是 [ ]
C.
胚胎干细胞经诱导分化形成神经细胞后丧失细胞全能性