【单选题】_____ the fact that his initial (开始的) experiments had failed, Pro. White persisted (坚持) in his research. [ ]
【判断题】虫害并不可怕,只要把虫子赶出酒店就行了。
【单选题】It can be inferred from the passage that the statements in the last paragraph are most probably about______.
A.
Brown's elaboration of his research results
B.
Brown's tentative inferences from his data
C.
the author's criticisms of Fuchs' argument, based on Brown's results
D.
the author's conclusions, based on Fuchs's and Brown's results
【多选题】下列 WHO 公布的几大热带病及其媒介生物正确的有( )
【多选题】广告所传播的商业信息,主要是通过一定的媒体来进行的。相对于人际传播方式,它具有( )的特点。
【判断题】字段属性中的有效性规则属性能防止非法数据输入到表字段中。
【单选题】执行语句: printf(“The program\’s name is c:\\tools\book.txt”);后的输出 的结果 是 ( )。
A.
The program’s name is c:tools book.txt
B.
The program’s name is c:\tools book.txt
C.
The program’s name is c:\\tools book.txt
D.
The program’s name is c:\toolook.txt
【简答题】某公司年销售额 100万元,变动成本率70% , 全部固定成本和费用 合计 20万元, 总 资 产 50万元,资产负债率40% , 负债的平均资本成本 8% , 假设企业所得税税率为 40% 。该 公司拟改变经营计划,追加投资 40万元,每年固定成本增加5万元,可以使销售额增20% , 并使变动 成 本 率 下降至 60% 。 该公司以提高净资产收益率同时降低 总 风险作为改进 经营 计划的标准。...
【单选题】_______ the fact that his original experiments had failed, Pro. White stuck to his research.
【单选题】听力原文: Attention, ladies and gentlemen. Everyone at the Eglington Research Center is proud to present our final speaker, Dr. Hyun Jin Kim. Today Dr. Kim will be speaking to us about the latest developm...