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【单选题】
下列物质酸碱性与其他三项不同的是
A.
盐酸
B.
硫酸
C.
硫酸铵
D.
硫酸钠
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参考答案:
举一反三
【单选题】Over the past three years, the amount of money spent on home computers has risen by 55%, far___ income growth.
A.
in a bind of
B.
in a manner of
C.
in excess of
D.
in a position to
【单选题】of the money been spent recycling the rubbish. [     ]
A.
Three fourths, has
B.
Three fourths, have
C.
Three fourth, has
D.
Three fourth, have
【单选题】of the money                used up.
A.
Three-five, are
B.
Three-fifths, have been
C.
Three-fifths, has been
D.
Third-fifths, is
【单选题】In order to earn more money for his new car, the young man has to work for three ______ hours in the evening. [     ]
A.
extra
B.
many
C.
else
D.
another
【单选题】成绩表中有“总评成绩”、“平时成绩”和“期末考试”等字段,其中,总评成绩=平时成绩+0.6×期末考试。则进行表设计时,“总评成绩”的数据类型应该是
A.
计算
B.
整数
C.
文本
D.
数字
【单选题】_____ earn more money for his new car, the young man has to work for three _____ hours in the evening. [     ]
A.
In order to, extra
B.
In order that, many
C.
In order that, else
D.
In order to, another
【判断题】D触发器的次态方程中不含有现态,因此,D触发器不是时序电路。
A.
正确
B.
错误
【单选题】_______of the money_______been spent recycling the rubbish.
A.
three fourths; has
B.
three fourths; have
C.
three fourth; has
D.
three fourth; have
【简答题】A.He makes a lot of money. B.He has just been left some money. C.He doesn't believe three hundred dollars is enough. D.He can't afford to spend that much.
【简答题】水果和蜂蜜所含的葡萄糖和果糖属于()。
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