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【单选题】
细胞核是细胞主要遗传活动基础,由()构成的。A.
核膜、染色质、核仁、核基质
B.
染色质、核仁
C.
核膜、细胞质基质、染色质、核
D.
核膜、染色质、核仁、染色质基质
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反馈参考答案：
举一反三
【简答题】Some people think that children can not ( ) the real world by computers.
【判断题】Don't cut the whole steak into small pieces at one time, except the children who can not use the knives.
A.
正确
B.
错误
【单选题】设有以下语句,试问c的二进制值是 char a=3, b=6, c; c=a^b<<2;
A.
00011011
B.
00010100
C.
00011100
D.
00011000
【单选题】Small children can not ______ the difference between right and wrong. It is our duty to teach them.
A.
appreciate
B.
enjoy
C.
acknowledge
D.
confess
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