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【多选题】
下列关于细胞的叙述中,正确的是:
A.
细胞由细胞核,细胞膜,细胞质三部分组成。
B.
细胞的遗传物质储存在细胞核中。
C.
细胞是人体形态结构和功能的基本单位,具有新陈代谢、生长、发育、繁殖、分化、衰老和死亡等生命特征。
D.
细胞内各种细胞器之间各司其职,互相联系,共同完成生命活动。
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【单选题】在SQL Server 中提供的四种数据库备份方式,其中( )是备份制作数据库中所有 内容的一个副本。
A.
完全备份
B.
差分备份
C.
事务日志备份
D.
文件或文件组备份
【多选题】SQL Server 数据库的备份方式有( )
A.
全库备份
B.
差异备份
C.
架构备份
D.
事务日志备份
E.
实时备份
【单选题】At present there is a fierce debate over the question_______ human cloning should be allowed.
A.
that
B.
whether
C.
what
D.
if
【简答题】If human cloning is to be banned, then, the reasons had better be far more compelling than any thus far advanced.
【多选题】SQL Server 2000中数据库备份与恢复数据的方式有()。
A.
全库备份
B.
日志备份
C.
差异备份
D.
文件备份
E.
文件组备份
【判断题】封闭的花瓶,其底部不需要挖一个洞。
A.
正确
B.
错误
【单选题】"He never told the people whom he worked with what she gave him, because it was a secret." What is "he never told the people whom he worked with what she gave him"?
A.
independent clause
B.
subordinate clause
C.
noun clause
D.
relative clause
【单选题】What did the host do to the thief?
A.
He cursed him very loudly.
B.
He gave him food and money.
C.
He drove him out of the house.
D.
He called the police immediately.
【单选题】洋金花花萼呈筒状,长为花冠的( )
A.
1/2
B.
2/3
C.
2/4
D.
2/5
E.
1/5
【单选题】_______cloning human embryos is not legal in many countries, some scientists are already pushing ahead with research in order to produce a cloned human baby.
A.
While
B.
When
C.
Since
D.
if only
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