【多选题】韩国旅游者在华丢失护照和签证后,导游应协助其 ( ) 。
C.
持旅行社证明到当地公安机关办理“护照报失证明”
【单选题】Diminishing marginal returns imply______.
A.
decreasing average variable costs
B.
decreasing marginal costs
C.
increasing marginal costs
D.
decreasing average fixed costs
【简答题】A.decreased B.increased C.increasing D.decreasing
【单选题】If the phenomenon 'extinction risk increased significantly with decreasing heterozygosity' (lines 9-10) agrees with the proposed effect on extinction, the passage assumes
A.
heterozygosity is an indicator of increasing inbreeding depression in assimilated metapopulations
B.
heterozygosity is unrelated to the degree of inbreeding depression in assimilated metapopulations
C.
heterozygosity is an indicator of decreasing inbreeding depression in isolated metapopulations
D.
heterozygosity is an indicator of increasing inbreeding depression in isolated metapopulations
E.
heterozygosity is an indicator of decreasing inbreeding depression in assimilated metapopulations
【单选题】鉴定恶性肿瘤的组织起源和组织类型主要依据是:( )
【单选题】下列课文的篇目、作者、体裁或国别有误的一项是( )
A.
《雷雨》——曹禺——话剧 《我的空中楼阁》——李乐薇——散文
B.
《荷塘月色》——朱自清——散文 《雨巷》——戴望舒——诗歌
C.
《威尼斯商人》——莎士比亚——英国 《最后的常春藤叶》——欧 亨利——美国
D.
《第六枚戒指》——简 柏特——英国 《项链〉——莫泊桑——德国
【单选题】The decreasing slope of a production function reflects
D.
increasing aggregate demand.