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【多选题】
关于肺灌注显像准备不正确的是
A.
肺灌注显像显像时常规取仰卧位，注射 99m Tc-MAA前要使混悬液摇匀，注射“弹丸”肘静脉注射，注射时尽量避免抽回血
B.
肺灌注显像显像时常规取仰卧位，注射 99m Tc-MAA前要使混悬液摇匀，注射肘静脉推注，注射体积≤1ml(5～10mCi)，但注射时尽量避免抽回血
C.
肺灌注显像显像时常规取仰卧位，注射 99m Tc-MAA前要使混悬液摇匀，注射时不可用“弹丸”肘静脉或其他静脉注射，只能缓慢注射，注射体积≥1ml(5～10mCi)，注射时尽量避免抽回血。可能有严重肺血管床损伤者，可减少注射用量
D.
肺灌注显像显像时常规取仰卧位，注射 99m Tc-MAA前要使混悬液摇匀，注射“弹丸”肘静脉或其他静脉注射，注射体积≥1ml(5～10mCi)，注射时尽量避免抽回血。可能有严重肺血管床损伤者，可减少注射用量
E.
肺灌注显像显像时常规取仰卧位，注射 99m Tc-MAA前要使混悬液摇匀，注射“弹丸”注射，注射体积≤1ml(5～10mCi)，注射时尽量避免抽回血。可能有严重肺血管床损伤者，可减少注射用量
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A.
(I) is true, (II) false.
B.
(I) is false, (II) true.
C.
Both are true.
D.
Both are false.
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【单选题】Which of the following statements about financial markets and securities are true?
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Many common stocks are traded over-the-counter, although the largest corporations usually have their shares traded at organized stock exchanges such as the New York Stock Exchange.
B.
As a corporation gets a share of the broker’s commission, a corporation acquires new funds whenever its securities are sold.
C.
Because of their short terms to maturity, the prices of money market instruments tend not to fluctuate wildly.
D.
Only (a) and (c) of the above are true.
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224
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【单选题】Which of the following statements about financial markets and securities are true?
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Most common stocks are traded over-the-counter, although the largest corporations have their shares traded at organized stock exchanges such as the New York Stock Exchange.
B.
A corporation acquires new funds only when its securities are sold in the primary market.
C.
Money market securities are usually more widely traded than longer-term securities and so tend to be more liquid.
D.
All of the above are true.
E.
Only (a) and (b) of the above are true.
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【多选题】大学生创业的机会()
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在校创业
B.
退学创业
C.
毕业即创业
D.
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【单选题】(I) The primary issuers of capital market securities are federal and local governments, and corporations. (II) Governments never issue stock because they cannot sell ownership claims.
A.
(I) is true, (II) false.
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【简答题】若函数 是偶函数，则实数 。
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【单选题】Which of the following statements about financial markets and securities are true?
A.
Many common stocks are traded over-the-counter, although the largest corporations usually have their shares traded at organized stock exchanges such as the New York Stock Exchange.
B.
As a corporation gets a share of the broker’s commission, a corporation acquires new funds whenever its securities are sold.
C.
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【单选题】某卷烟厂2018年3月从甲烟丝厂购进其自制烟丝,取得增值税专用发票,注明价款50万元;当月领用60%用于生产A牌卷烟(甲类卷烟);本月销售A牌卷烟80标准箱,取得不含税销售额400万元。已知:甲类卷烟消费税税率为56%加150元/标准箱、烟丝消费税税率为30%。当月该卷烟厂应纳消费税税额( )万元。
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210.20
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216.20
C.
224
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225.20
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【单选题】Which of the following statements about financial markets and securities are true?
A.
Most common stocks are traded over-the-counter, although the largest corporations have their shares traded at organized stock exchanges such as the New York Stock Exchange.
B.
A corporation acquires new funds only when its securities are sold in the primary market.
C.
Money market securities are usually more widely traded than longer-term securities and so tend to be more liquid.
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【简答题】对于以下4个说法：①若函数 在 上单调递减，则实数 ；②若函数 是偶函数，则实数 ；③若函数 在区间 上有最大值9，最小值 ，则 ；④ 的图象关于点 对称。其中正确的序号有 。
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质控物成分应稳定
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选择质控物时，最好使用多项复合控制品
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在一天内最好使用统一份质控物
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