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【单选题】
鉴别溶液与胶体的最简单方法是()
A.
电泳现象
B.
丁达尔效应
C.
布朗运动
D.
半透膜
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举一反三
【单选题】下列对于诱导契合学说的论述,正确的是( )
A.
酶是刚性的结构
B.
酶与底物的结合类似于锁钥结合
C.
酶的活性中心是柔韧可变的
D.
酶不会受到底物的诱导
【单选题】支气管扩张患者大咯血时,最关键的抢救措施在于:
A.
止血
B.
吸氧
C.
输液
D.
保持呼吸道通畅,防止窒息
【简答题】支气管扩张患者大咯血时,最关键的抢救措施在于
【单选题】患儿男, 5 岁。测口温时不慎将体温计咬碎,护士应立即
A.
让患者口服牛奶
B.
催吐
C.
让患者服缓泻剂
D.
清除患者口腔内玻璃碎片
【单选题】患儿男,5岁。测口温时不慎将体温计咬碎,护士应立即
A.
让病人口服牛奶
B.
催吐
C.
让病人服缓泻剂
D.
清除病人口腔内玻璃碎屑
E.
为病人洗冒
【单选题】下列对于诱导契合学说的论述,正确的是( )
A.
酶是刚性的结构
B.
酶不会受到底物的诱导
C.
酶的活性中心是柔韧可变的
D.
酶与底物的结合类似于锁钥结合
【单选题】支气管扩张患者大咯血时,最关键的抢救措施在于
A.
止血
B.
输血
C.
吸氧
D.
输液
E.
保持呼吸道通畅,防止室息
【单选题】______presides over the meeting in the House of Commons and sees that parliamentary procedure is followed.
A.
Prime Minister
B.
The Speaker
C.
The Lord Chancellor
D.
Queen
【单选题】患儿男, 5岁。测口温时不慎将体温计咬碎,护士应立即
A.
让患者口服牛奶 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
B.
催吐
C.
让患者服缓泻剂
D.
清除患者口腔内玻璃碎屑
E.
为患者洗胃
【多选题】Which two are true about aggregate functions?()
A.
You can use aggregate functions in any clause of a SELECT statement.
B.
You can use aggregate functions only in the column list of the select clause and in the WHERE clause of a SELECT statement.
C.
You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns.
D.
You can pass column names, expressions, constants, or functions as parameter to an aggregate function.
E.
You can use aggregate functions on a table, only by grouping the whole table as one single group.
F.
You cannot group the rows of a table by more than one column while using aggregate functions.
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