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【单选题】
某企业准备新建一条生产线，预计各项支出如下：投资前费用为2000元，设备购置费用8000元，设备安装费用1000元，建筑工程费用6000元，投产时需垫付营运资本3000元，不可预见费按总支出到5%计算，则该生产线的投资总额为A.
21000
B.
20000
C.
17000
D.
17850
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反馈参考答案：
举一反三
【单选题】听力原文：W: Maybe we should take Front Street this morning. The radio announcer said that the traffic was very heavy on the freeway. M: Well, if he says to take the Front Street we should go the other way...
A.
He believes what the announcer says.
B.
He thinks that the announcer is very good at her work.
C.
He does not have a good opinion of the announcer.
D.
He thinks that they should do what the announcer says.
【简答题】热水供应系统中常用的热媒有( )和( )。
【单选题】下列措施中不是选择半即热式水加热器时需要注意的条件是 ( )
A.
热媒供应能满足热水设计秒流量供热量的要求
B.
有灵敏、可靠的温度、压力控制装置，保证安全供水
C.
有足够的热水储存容积，保证用水高峰时系统能够正常使用
D.
被加热水侧的阻力损失不影响系统的冷热水压力平衡和稳定
【单选题】听力原文：W: What did you say? M: I said that it's a fine day today. Why don't we go for a walk? W: Can you wait a few minutes? I have to finish the letter. M: Will it take long? W: No, about ten minutes, ...
A.
She is cooking.
B.
She is reading a book.
C.
She's writing a letter.
【单选题】无人驾驶的模拟器做了很多细节的设计，提供了实验中被试需要完成的路线导航，车速仪表盘，以及后视镜的影像和窗外的影像，目的是？
A.
控制实验变量
B.
使被试者能够放松
C.
尽量还原真实的开车体验
D.
使得实验更有趣
【单选题】听力原文：W: Maybe we should take Main Street this morning. The radio announcer said traffic on the 7th Avenue is really heavy. M: Well, if he says to take Main Street, we should go the other way! Q: What ...
A.
He always does what the announcer says.
B.
He thinks that the announcer is very good at his work.
C.
He is angry at the announcer's words.
D.
He doesn't believe what the announcer says.
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