问题
多项选择题
关于安装工程费的表达，正确的有（）。
A.安装工程费=设备原价×安装费费率
B.安装工程费=设备吨位×安装费费率
C.安装工程费=设备吨位×每吨设备安装费指标
D.安装工程费=设备原价×安装工程实物量×每单位安装实物工程量费用指标
E.安装工程费=安装工程实物量×设备原价
答案
参考答案：A, C
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关于安装工程费的表达，正确的有（）。
A.安装工程费=设备原价×安装费费率
B.安装工程费=设备吨位×安装费费率
C.安装工程费=设备吨位×每吨设备安装费指标
D.安装工程费=设备原价×安装工程实物量×每单位安装实物工程量费用指标
E.安装工程费=安装工程实物量×设备原价
参考答案：A, C
| 阅读下面短文，将文后的句子还原到文中适当的位置。 | |
| In a class in Japan, a robot teacher Saya called out the names of the students, smiled at them and told them off. 1._______ So the students liked her very much. But the scientists say she is not going to take the place of human teachers. 2._______ They are surprise, fear, dislike, anger, happiness and sadness. She can also say simple phrases such as "Thank you" and "Sorry". "3._______ Robots that look like humans have an important influence (影响) on children and older people," said Kobayashi, the maker of Saya. 4._______ After being invented, she was tested in a classroom with many fifth and sixth grade students. "She still can't do much more than call out names and shout 'Be quiet', but the children had great fun," Kobayashi said. "They were very happy when Saya called out their names. We invented Saya to help people, but we cannot have too high hope for her. 5._______ She is just a tool (工具)."
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