【单选题】【消耗次数：1】
There is no use a lot without anything.
①
to talk, do
②
talked, doing
③
talking, being done
④
talking, doing
参考答案：
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相关题目
【单选题】
Kingsley took a lot of ______________ with her while traveling because she was doing scientific research on fish.
①
furniture
②
equipment
③
information
④
education
【单选题】
She has always been quick to pick things up, doing ( ) well in school without really trying.
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passably
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passable
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passenger@passage
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— Do you want to go to see a movie?— ______________ I feel like doing something different.
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Dont mention it.
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Yes. I want it.
③
Not really.
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Adeal.
【单选题】
A: How are you doing？B: [填空].
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Good night
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Not so bad. And you?
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I m pleased.
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How do you do?
【单选题】
A: [填空]. Where was I? B: You were talking about your trip to South Africa.
①
What did I hear
②
Lets back up
③
Lets check in
④
What were you talking about
随机题目
【单选题】
在管理决策中，许多管理人员认为只要选取满意的方案即可，而无须刻意追求最优方案。对于这种观点，你认为以下哪种解释最有说服力？
①
现实中不存在所谓的最优方案，所以选中的都只是满意方案
②
现实管理决策中常常由于时间太紧而来不及寻找最优方案
③
由于管理者对什么是最优决策无法达成共识，只有退而求其次
④
刻意追求最优方案，常常会由于代价太高而最终得不偿失
【单选题】
某公司生产某产品的固定成本为50万元，单位可变成本为40元，产品单价为80元，若企业目标利润为30万元，则企业应完成多少产销量？（ ）
①
12500
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25000
③
20000
④
40000