词典词库拼词范例测验

costing 测验

EN
成本核算
    选择每个问题的最合适的答案。
  • 问题 1 :
  • This includes an infrared spectroscope that has been used to figure out the chemical fingerprints of things as varied as asteroids and illegal drugs; a device called a microfadeometer, which trains an intense beam of light — 8 million lumens per square meter, compared with about 120,000 for a cloudless day with the sun at high noon — on a tiny area of a painting to see how it fades; a hulking Atlas Ci4000 Xenon Weather-Ometer, which simulates the effects of decades of sunlight and heat in just months; and a scanning electron microscope _______ more than a million dollars.
    1. costings
    2. costing
  • 问题 2 :
  • For $6.99 a month, the other would enable listeners to choose 50 of the nonpremium channels, with each additional channel _______ 25 cents.
    1. costings
    2. costing
这个测验是动态生成的。欲了解更多测验,请刷新此页面。
相关连结:
  1. en costings
资料来源: 维基词典
明确性: 级别 1
12345678910
明确的    ➨     多用途
0.14