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【单选题】
为了提高分析结果的准确度，必须（）A.
消除系统误差
B.
增加测定次数
C.
多人重复
D.
增加样品量
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反馈参考答案：
举一反三
【单选题】在急性乳腺炎的早朝进行超短波治疗时应采用
A.
·无热量， 5~8min
B.
·无热量， l0~l5min
C.
·微热量， 5~8min
D.
·微热量， l0~l5min
E.
·温热量， 10~l5min
【单选题】在急性乳腺炎的早朝进行超短波治疗时应采用
A.
无热量，5～8min
B.
无热量，10～15min
C.
微热量，5～8min
D.
微热量，10～15min
E.
温热量，10～15min
【单选题】听力原文： Washington The Federal Reserve cut interest rates by a modest quarter-percentage point on Tuesday, disappointing Wall Street hopes for bolder action but offering a bit more help to an economy fa...
A.
The Federal Reserve cut interest rates to 4.75 percent.
B.
The reduction of interest rate is offering help to the economy of the United States.
C.
The discount rate was reduced by a bold half point.
D.
The Federal Reserve lowered the discount rate to lubricate credit market.
【简答题】20 一般功率方向继电器当输入电压和 的 不变时,其输出值随两者 的大小而改变。
【简答题】Text 4 On a five to three vote, the Supreme Court knocked out much of Arizona’s
immigration law Monday-a modest policy victory for the Obama Administration.
But on the more important matter of the Con...
【简答题】工程图样中的尺寸,以 为单位,如采用其它单位时,则必须注明 。
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