【单选题】What problem did Clotfelter face when he studied the effect of schools' extracurricular activities?
A.
Students were unwilling to cooperate when he conducted the poll.
B.
There was no available data of the racial composition of every school.
C.
He found it impossible to catalogue the structural feature of all high schools.
D.
It was difficult to compare the racial makeup of the clubs and sports teams.
【单选题】What effect did daylight saving have on the energy consumption of Indiana?
A.
It saved 1.3 trillion watt-hours in four weeks.
B.
It reduced demand for household lighting only in spring.
C.
It resulted in an extra $9 million cost on electricity.
D.
It reduced demand for cooling and heating all year around.
【单选题】According to the data in Figure 3, what effect, if any,did removing the herbaceous layer have on the percent distribution among the 1-year-old seedlings in the 1-hectare area of the forest? The remova...
A.
changed the percent for the northern red oak only.
B.
changed the percent for the red maple and the percent for the white pine only.
C.
changed the percent for each of the 5 tree species.
D.
did not change the percent for any of the 5 tree species.
【判断题】声光互动公共艺术是世界公共艺术大家族中最新的成员,特指以声、光为主要手段与公众展开互动的新型公共艺术。
【单选题】下列关于政府外债项目资金申请报告的附件编写的说法中错误的是( )
B.
国际金融组织和日本国际协力银行贷款项目,提供国外贷款机构对项目的评估报告
C.
国务院行业主管部门提出项目资金申请报告时,如项目需地方政府安排配套资金、承担贷款偿还责任或提供贷款担保的,出具省级发展改革部门及有关部门意见
D.
申请使用限制性采购的国外贷款项目,只需出具对国内外采购比例比选结果报告
【多选题】零售业采购成本控制的意义是( )。
B.
控制采购成本能够提高企业的经济效益,增强企业竞争力
【单选题】In the study of students exposed to classic music, what effect did the music have?
A.
It increased the students' while blood cell count.
B.
It increased some students' energy level.
C.
It improved the students' ability to play musical instruments.
D.
It released a natural painkiller in some students' bodies.
【单选题】基于突发事件处理的“就近原则”,当列车停在站台时发生火灾,现场临时负责人应是( )。
【单选题】下列关于债项评级的说法中,错误的是()。
A.
在第一维度客户评级中,商业银行应对每个客户名下的每笔债项进行独立的债项评级