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【单选题】
液体渗透探伤剂一般包括( )。
A.
渗透剂
B.
显像剂
C.
去除剂
D.
以上都是
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举一反三
【单选题】A man aged 55 marrying a girl aged 15 is newsworthy because ?
A.
it is new.
B.
it is unusual.
C.
it is significant.
D.
it is about people.
【多选题】下列哪些是阴离子型表面活性剂
A.
肥皂类
B.
硫酸化物
C.
洁尔灭
D.
豆磷脂
E.
卵磷脂
【判断题】Those aged 55 and over spent more than 3 hours a day using a computer.
A.
正确
B.
错误
【单选题】对胸痛发作5小时疑为急性心肌梗死的患者,可首选下列哪项生化指标确诊( )。
A.
cTn
B.
MB
C.
CK
D.
LD
E.
AST
【单选题】This new model of car is so expensive that it is ______ the reach of those with average incomes.
A.
over
B.
within
C.
beyond
D.
below
【多选题】根据创业内容可以分为哪几类创业者?
A.
研究型
B.
生产型
C.
应用型
D.
机会主义型
【单选题】This new model of car is so expensive that it is _____ the reach of those with  average income. [     ]
A.
over
B.
within
C.
beyond
D.
below
【简答题】1 Stuart is a self-employed business consultant aged 58. He is married to Rebecca, aged 55. They have one child, Sam, who is aged 24 and single. In November 2005 Stuart sold a house in Plymouth for £4...
【单选题】阴离子型表面活性剂为
A.
普朗尼克
B.
季铵化物
C.
卵磷脂
D.
肥皂类
E.
乙醇
【单选题】为阴离子型表面活性剂的是(    )
A.
吐温类    
B.
司盘类    
C.
钠肥皂    
D.
卵磷脂
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