【简答题】On the afternoon of September27, 2008, Astronaut Zhai Zhigang became the first Chinese man to walk in space on Saturday, clambering(爬上,攀登) out of China's Shenzhou VII space craft in a technological fe...
【简答题】某公司拟购置一台设备,目前有 A 、 B 两种型号可供选择, A 设备的价格比 B 设备高 50 000 元,但每年可节约维修保养费用 10 000 元。假定 A 、 B 设备的经济寿命均为 6 年,利率为 10 %,该公司在 A 、 B 两种设备只能选择其一的情况下,应选择哪一种设备 ? (P/A,10%,6)
【单选题】 By 27 September 20X7 internal evidence had emerged suggesting that Dearing's machine was impaired. Which one of the following would be internal evidence of impairment?
A.
The economic performance of the machine had declined
B.
There were legal and regulatory changes affecting the operating of the machine
C.
There was an unexpected fall in the market value of the machine
D.
New technological innovations were producing better machines