问题
单项选择题
运用动态原理控制成本的工作步骤包括：
①采取纠偏措施；
②比较实际值和计划值；
③将施工成本目标逐层分解；
④收集施工成本的实际值。
正确的执行顺序应该是（）。
A．③—④—②—①
B．④—③—②—①
C．④—③—①—②
D．③—①—④—②
答案
参考答案：A
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运用动态原理控制成本的工作步骤包括：
①采取纠偏措施；
②比较实际值和计划值；
③将施工成本目标逐层分解；
④收集施工成本的实际值。
正确的执行顺序应该是（）。
A．③—④—②—①
B．④—③—②—①
C．④—③—①—②
D．③—①—④—②
参考答案：A
Nowadays more and more Chinese teenagers find life more difficult without their parents. They don’t know how to do 1 . Because their parents do almost everything for them at home. This is a big problem. Joy is 14 years old. One day her parents went away 2 business, so she had to stay at home alone. At first she thought she would be happy 3 her parents were not in. She could do everything 4 she liked. But it was six o’clock in the afternoon, she felt 5 . “Oh, it’s time to have supper. Where can I get my food?” she said to herself. Later she found some food in the fridge, but she 6 know how to cook. At that moment, she missed her 7 very much. At last she could only go to the supermarket and 8 some food to eat. Many of teenagers are 9 as Joy. So I think they should learn some basic life skills, like cooking, tidying up their rooms or dressing themselves 10 . They shouldn’t depend too much on their parents.
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