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【单选题】
设备的经济寿命是由( )决定的。A.
设备的有形磨损
B.
设备的无形磨损
C.
维护费用的提高和使用价值的降低
D.
更新速度的加快和更新成本的提高
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反馈参考答案：
举一反三
【简答题】First, the senses are to be set to work; then, memory; and, at last, understanding and judgment.
【简答题】听力原文：Can you tell me about the other FoodCo Supermarkets in my area? (9)
【简答题】Vocabulary: thistle / ˈ θ ɪ s ə l/ a wild plant which has leaves with sharp points and purple flowers. 蓟 kit fox 沙狐 1. Listen to the recording and answer the following questions. 1) How do...
【单选题】—Hi, Amy, you live on Center Street. Can you tell me ? —Sure. There is one called Grandma's Home.
A.
where it is
B.
how I can get there
C.
if there is a restaurant on it
【单选题】______ is the American poet whose work was first recognized in England and then in America.
A.
Robert Frost
B.
Wallace Stevens
C.
Walt Whitman
D.
Emily Dickinson
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