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【单选题】
1%~3%过氧化氢溶液用于口腔护理时下列正确的是A.
用于口腔pH值为碱性时
B.
遇有机物时,可释放新生氧抗菌
C.
用于真菌感染
D.
可消除口臭,轻微抑菌
E.
用于铜绿假单胞菌感染
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举一反三
【单选题】According to the professor, what does the professor imply about the activity of individual tutorials and discussions?
A.
Teachers play the most important role in this activity.
B.
Both teachers and students are important in this activity.
C.
Students play a more important role than teachers do.
D.
Students have to prepare well and talk as much as possible.
【简答题】过程控制系统按被调量分类常有(任意写出四种即可): 1 、 控制系统、 2 、 控制系统、 3 、 控制系统、 4 、 控制系统。
【简答题】roll (sth.) up
【单选题】user是SQL Server2008数据库中的一个数据表，为执行以下的SQL语句从表中检索数据，应使用Command对象的（ ）方法。Select * from user;
A.
ExecuteScalar()
B.
ExecuteXMLReader()
C.
ExecuteNonQuery()
D.
ExecuteReader()
【简答题】roll (sth.) up _______________、
【单选题】Why did the woman go to see the professor in the beginning?
A.
She wanted the professor to extend her writing time.
B.
She wanted to ask for advice.
C.
She wanted to borrow some books concerned with her topic.
D.
She wanted to ask for leave.
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