合同主体合格是指( ) A．合同当事人具有完全民事权利能力 B．合同当事人具有相应

As they are retired, Mr and Mrs Scott prefer a house in thecountry to spend their late years to _____ in a largecity.

A．like 　　　　

B．it 　　　　

C．one 　　　　

D．that

电光源的光色包含哪两方面的含义？

销售收入为( )万元。

A．1000

B．1400

C．160

D．500

多线梯形螺纹的代号用字母“Tr”及公称直径×（）表示，不标注线数。

A、导程（牙型角）

B、导程（模数）

C、导程（中径）

D、导程（螺距）

Given the covered call option diagram below and the following information, what are the dollar values for points X and Y The market price of the stock is $70, the strike price of the call is $80, and the call premium is $5.()

A. $75, and point Y represents a dollar value of $15. 

B. $70, and point Y represents a dollar value of $15. 

C. $80, and point Y represents a dollar value of $15.