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【单选题】
与葡萄球菌感染易于局限化有关的因素是A.
SPA
B.
肠毒素
C.
血浆凝固酶
D.
杀白细胞素
E.
表皮剥脱毒素
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【单选题】Of all the problems facing modern astronomers, perhaps the most fascinating is: 'Can intelligent life exist elsewhere?' Since the Earth is an unimportant planet moving round an unimportant star, it wo...
A.
there may be other intelligent beings in the universe
B.
there are other intelligent beings in the universe
C.
people living on the earth are almost certainly the only intelligent beings in the universe
D.
people living on the earth are definitely the only intelligent beings in the universe
【单选题】SQL 查询语句中,Where子句与Having短语的本质区别是( )。
A.
Where 子句作用于基本表与视图，Having作用于组
B.
Where 子句作用于组，Having作用于基本表
C.
Where 子句与Having短语均作用于基本表
D.
Where 子句可以用聚集函数
【简答题】第二单元提升练习一.doc
【单选题】Modern perhaps causes more problems than it solves.
A.
technique
B.
technology
C.
tactics
D.
tendency
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