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【单选题】
关于污染物的迁移转化过程，下列说法不正确的是（ ）A.
生物自净过程：微生物在溶解氧充分的情况下，将一部分有机污染物当食饵消耗掉，将另一部分有机物氧化分解为无害的简单无机物
B.
紊动扩散：指水流的紊动作用引起的水中污染物自低浓度向高浓度区域扩散过程
C.
物理过程：指污染物在水体中的混合稀释和自然沉淀过程
D.
化学过程：指污染物在水体中发生的理化性质变化等化学反应，对水体净化起作用的主要是氧化还原反应
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【单选题】There is a 10-year bond whose face value is $1000, 8% coupon rate, coupons paid semi-annually, and the market interest rate is 10%. What ’ s the maximum price that you would pay?
A.
$1000
B.
$876
C.
$1130
D.
$850
【单选题】You are considering the investment in bonds. There is a 10-year zero coupon bond in the market, whose face value is $1000, and the market interest ate is 10%. What is the appropriate price for this bo...
A.
$877
B.
$1000
C.
$386
D.
$1130
【单选题】— There is a story here in the paper about a l10-year-old man. — My goodness! I can't imagine ____ that old. [ ]
A.
to be
B.
to have been
C.
being
D.
having been
【单选题】There is a 10-year bond whose face value is $1000, 8% coupon rate, and the market interest rate is 10%. What ’ s the maximum price that you would pay?
A.
$1000
B.
$877
C.
$1130
D.
$850
【单选题】化疗指数可用下列哪个比例关系来衡量
A.
ED\r\n 95 \r\n／LD\r\n 5
B.
ED\r\n 5 \r\n／LD\r\n 95
C.
ED\r\n 50 \r\n／LD\r\n 50
D.
LD\r\n 95 \r\n／ED\r\n 5
E.
LD\r\n 5 \r\n／ED\r\n 95
【单选题】You are considering the investment in bonds. There is a 10-year zero coupon bond in the market, whose face value is $1000, and the market interest ate is 10%. What is the implicit interest in the firs...
A.
$42
B.
$40
C.
$35
D.
$38
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