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【单选题】
细胞凋亡是指为维持内环境稳定,由基因控制的细胞自主的、有序的死亡。下图表示细胞凋亡过程机制示意图,据图推测,下列相关叙述错误的是A.
①过程表明细胞凋亡是特异性的
B.
②过程与细胞膜的半流动性有关
C.
正常细胞中不存在凋亡相关基因
D.
细胞凋亡过程中有新蛋白质合成
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【简答题】算法设计题
(4)已知两个链表A和B分别表示两个集合,其元素递增排列。请设计算法求出两个集合A和B 的差集(即仅由在A中出现而不在B中出现的元素所构成的集合),并以同样的形式存储,同时返回该集合的元素个数。
【单选题】It is claimed here that word processor create ______.
A.
a feeling of distance between a writer and his or her work
B.
the illusion that you are the servant of the machine
C.
a sensation of power
D.
a reluctance in the author to express himself or herself
【单选题】A word processor is much better than a typewriter in that it enables you to enter and __________yourtext more easily．
A.
register
B.
edit
C.
propose
D.
discharge
【单选题】As large as learning to use a word processor is concerned the writer of the passage feels that Hammond ______.
A.
is understating the problem
B.
exaggerates one drawback
C.
is too skeptical about the advantage,
D.
overestimates the er of losing text
【简答题】a word processor
【简答题】How to operate a word processor
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