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【单选题】
采集血清标本作肝功能检查，错误的步骤是A.
血液注入试管后要摇动
B.
用干燥试管
C.
采血后取下针头缓慢注入试管
D.
空腹采血
E.
血液泡沫不能注入试管
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【单选题】A cashier mentally reversed the digits of one customer"s correct amount of change and thus gave the customer art incorrect amount of change. If the cash register contained 45 cents more than it should...
A.
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B.
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C.
54
D.
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E.
83
【判断题】A huge amount of this nation’ s land is owned by the government in the form of nation al parks and forests. T his is especially true in the West. Much of this land is not needed for public recreation ...
A.
正确
B.
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【简答题】You should spend about 20 minutes on this task. The graph below shows the amount of money spent on books in Germany, France, Italy and Austria between 1995 and 2005. Write a report for a university le...
【单选题】In this area, the amount of money spent on health care for animals will______ the amount spent on human health care in just 10 years.
A.
equal
B.
equal to
C.
equivalent
D.
equality
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