【简答题】完形填空。 friends is a skill. Like most skills, it improves with practice. If you want to meet people and make friends, you must be willing to take action (行动). You must first go to 1 there are peo...
【简答题】阅读理解。 Today is fine. The sky is blue. Now it's nine o'clock in the morning. There's a sports meeting in the forest (森林) on the big mountain. Look, a horse a panda and a cat are running. Over there a d...
【单选题】关于细胞凋亡与细胞坏死下列说法正确的是 1细胞凋亡是由细胞内的遗传物质控制的 2细胞坏死与细胞凋亡的原理都是一样的 3细胞坏死受到严格的由遗传机制决定的程序性调控 4细胞的自然更新、被病原体感染的细胞的清除是通过细胞凋亡完成的
【简答题】细胞到了一定时期会像树叶那样自然死亡,但是这种死亡是细胞的一种生理性、主动性的“自觉自杀行为”,而非病理性死亡,所以叫细胞的凋亡或“程序性细胞死亡”。 ( 1 )人胚胎发育中尾的消失、五指的分离都与细胞凋亡有关,细胞凋亡的意义是有利于 ________ ;维持 ________ ;抵御 ________ 。( 2 )研究表明,某些癌细胞和正常细胞在有氧条件下产生的 ATP 总量没有明显差异,但癌细...
【简答题】3 Listen to 6 sentences for workplace communication and choose their right responses. 1 A. I’m sorry. B. It’s noisy. C. I’d like to. D. It’s wet. 2 A. Don’t mention it. B. No problem. C. It snows too ...
【简答题】A.Deliver a speech there. B.Work as! a director there. C.Work as a secretary there. D.Meet all the students there.
【单选题】下列哪项是青光眼视神经病理损害的因素
C.
视神经供血不足,眼压耐受性下降,视网膜神经节细胞(RGC)凋亡
D.
视神经纤维受压,轴浆流中断,轴突变性、胶质增生,神经节细胞损伤
【多选题】下列关于细胞凋亡和细胞坏死的差别,正确的是
【简答题】阅读理解。 Today is fine. The sky is blue, Now it's nine o'clock in the morning. There's a sports meeting in the forest (森林) on the big mountain. Look,a horse, a panda and a cat are running. Over there a d...
【单选题】在一般情况下,细胞的程序性死亡是( )。