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渗透压变化时，肾小管对水的重吸收依靠E．

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碳酸氢盐系统磷酸盐系统血红蛋白及血浆蛋白系统属E．

Which of the following is not true of options？______.

A. If the current market price is higher than the strike price, the call option is in-the-money.
B. If the current market price is greater than the strike price, the put option is out-of-the-money.
C. If the current market price is the same as (or close to) the strike price, the option is at-the-money.
D. A put option is in-the-money when the strike price is lower than the market price of the underlying asset.

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In order to prevent the() from opening the L/C late, the exporter should stipulate at the same time “The relevant L/C must reach the() not later than January 31, 2008.”

A. seller…buyer
B. seller…exporter
C. buyer…importer
D. buyer…seller

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两水平杆AB和CD用两根交叉链杆BF和DE相连，荷载和支承情况如图所示，若不计各杆自重，则铰杆DE的内力SDE(以拉力为正)为()。

A. Sat=100N
B. SDZ=-100N
C. Sot=50N
D. SDE=-50N

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