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【多选题】
砌体工程不得在（ ）设置脚手眼。A.
120mm厚墙、料石清水墙和独立柱
B.
240mm厚墙
C.
宽度为2m的窗间墙
D.
过梁上与过梁成60°角的三角形范围及过梁净跨度l/2的高度范围内
E.
梁垫下及其左右500mm范围内
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反馈参考答案：
举一反三
【单选题】A call option is:
A.
the right to sell at a specific price
B.
the right to buy at a specific price
C.
an obligation to buy at a certain price.
【单选题】Consider the graph of a call option shown at right. The option is a three-month American call option on €62,500 with a strike price of $1.20 = €1.00 and an option premium of $3,125. What are the value...
A.
A = –$3,125 (or –$.05 depending on your scale); B = $1.20; C = $1.25
B.
A = –€3,750 (or –€.06 depending on your scale); B = $1.20; C = $1.25
C.
A = –$.05; B = $1.25; C = $1.30
D.
none of the above
【单选题】Consider the situation where the stock price 6 months from the expiration of an option is $42, the exercise price of the option is $40, the risk-free interest rate is 10% p.a. and the volatility is 20...
A.
$0.81
B.
$4.76
【单选题】A strategy consists of buying a market index product at $830 and longing a put on the index with a strike of $830. If the put premium is $18.00 and interest rates are 0.5% per month, what is the estim...
A.
$42.47
B.
$45.26
C.
$47.67
D.
$49.55
【单选题】Assume S = $31.75, div = 0, r = 0.03, and σ= 0.20, and 90 days until the expiration of a standard call option. A call on call compound option with an exercise price of $2.00 has 180 days until expirat...
A.
$1.46
B.
$2.46
C.
$3.04
D.
$3.53
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