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【单选题】
关于mysqli_select_db的作用描述正确的是() (2分)A.
连接数据库
B.
连接并选取数据库
C.
连接并打开数据库
D.
选取数据库
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举一反三
【简答题】A.The speakers want to rent the Smiths old house. B.The man lives two blocks away from the Smiths. C.The woman is not sure if she is on the right street. D.The Smiths new house is not far from their o...
【单选题】The Smiths are watching the men’s table tennis match at the moment.
A.
Mr. Smith
B.
Mrs. Smith
C.
The Smith family
D.
Mr. Smith and his son
【简答题】基因组印记是因_____不同而导致等位基因表达差异的一种遗传现象。
【单选题】The Smiths asked the lady at the information desk for a ______ room for the night.
A.
couple
B.
twice
C.
double
D.
pair
【单选题】The Smiths went to the country for the weekend as they ______ to the office.
A.
needn’t have gone
B.
mustn’t go
C.
may not go
D.
didn’t have to go
【简答题】化学膨松面坯中正常的臭粉用量应为（）。
【简答题】The Smiths invited the professor to the party.(变被动语态) The professor________ __________to the party by the Smiths.
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