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问题 判断题

一般来讲，真正能用于偿还债务的是现金流量，所以，现金流量和债务的比较可以更好地反映公司偿还债务的能力。( )

答案

参考答案：对

解析： 所谓流动性，是指将资产迅速转变为现金的能力。一般来讲，真正能用于偿还债务的是现金流量，所以，现金流量和债务的比较可以更好地反映公司偿还债务的能力。

单项选择题

A total of 4.6 million digital televisions have been sold, and the sales of HDTV sets have quadrupled since last year. Consumers have bought HDTVs to play their DVDs and to have clearer pictures and wide screens. Only a small percentage of the people who have purchased HDTVs, however, have actually hooked their TVs up to receive high-definition television digital signals. Perhaps television viewers are having trouble keeping up with the changes in technology. Even the manufacturers of HDTVs, like Mitsubishi, Thomson Multimedia, Sony, and Samsung seem to have a tough time learning how to make their sets work with the various digital TV formats because little standardization has been required or implemented in the industry.

Some of the HDTVs weigh over 200 lbs., and a variety of retailers offer a delivery service to the buyer’s home to help install the heavy sets. This is known as a white-glove service and usually comes with an extra fee. After HDTV purchasers get their sets home and hook them up, they will still need to work to get the digital signals to their systems. Most of the industry’s cable providers do not yet offer high~definition programing, and only about 15% of commercial television stations have switched over to even the lowest improved digital pictures. Worse yet, viewers may need to install antenna before they can even get the digital signals to their new HDTV sets. Another frustration for home-theater seekers is that the current HDTV sets allow owners only to watch high-definition programs, not to record them.

"Hook up" as in "hooked their TVs up" underlined in Paragraph 1 most probably means to ().

A. have a hood over the TV

B. be connected to

C. relate oneself to

D. keep contact with
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单项选择题 A3/A4型题

男性，32岁。间歇性出现尿频，尿急，尿痛1年。一般抗感染治疗效果不明显。近2个月出现脓尿及终末肉眼血尿，膀胱刺激症状加重，伴有恶心，发热，左侧腰部胀痛。

首先要做的检查是（）。

A.腹部X线平片

B.IVU检查

C.尿常规检查

D.尿细菌培养

E.尿沉渣查抗酸杆菌
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