问题
单项选择题
某项目水泥必须消耗量是51500吨，损耗率为3%，则水泥净用量为( )吨。
A．50000
B．48500
C．42000
D．65000
答案
参考答案：A
解析：根据材料消耗量=材料净用量×(1+损耗率)，所以水泥净用量=必须消耗量/(1+损耗率)=51500/(1+3%)=50000(吨)。
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某项目水泥必须消耗量是51500吨，损耗率为3%，则水泥净用量为( )吨。
A．50000
B．48500
C．42000
D．65000
参考答案：A
解析：根据材料消耗量=材料净用量×(1+损耗率)，所以水泥净用量=必须消耗量/(1+损耗率)=51500/(1+3%)=50000(吨)。
请阅读下列应用文及相关信息，并按照要求匹配信息。请在答题卡上将对应题号的相应选项字母涂黑。 首先阅读以下学校各社团的介绍。
阅读以下学生的相关信息。匹配适合他们的社团。 小题1:Cherry wants to join a club that will keep her fit and active but because she has a part-time job every workday evening she is only available to take part on the weekends. 小题2: David is a new student at the university, whose major is English literature. He is a little shy so is hoping to join a club that can help him get to know new people and build his confidence. 小题3:Bonnie is majoring in drama and wants to be a scriptwriter when she graduates. She is interested in discovering new stories that she may one day be able to turn into movies. As her home is far from the university she is only free during the day to take part. 小题4:Betty is studying film making and one day hopes to become a director. But she thinks her ability to create beautiful visual images is not strong enough so she has recently purchased a camera to help her practice. 小题5:Jack is a first year geography student who would like to learn more about the geography of the local area. He is also worried about passing the English test that all students must take at the end of their first year of study. He has to return to his home to help his parents every weekend so is only free during weekdays. |
