【单选题】A deck beam does NOT ______.
A.
act as a beam to support vertical deck loads
B.
lessen the longitudinal stiffness of the vessel
C.
act as a tie to keep the sides of the ship in place
D.
act as a web to prevent plate wrinkling due to twisting action on the vessel
【简答题】葡萄汁的改良指的是什么,常用什么方法进行改良?
【简答题】排卵前,阴道上皮在 作用下, 细胞增生,逐渐演变为 与 细胞,使整个上皮的厚度增加。
【单选题】兴华公司2018年9月进口应税物资在进口环节交纳消费税6万元,收回的委托加工物资由受托方代收代缴消费税8万元(收回后直接对外销售),自产自用应税产品交纳资源税2万元,销售应税消费品交纳的消费税0.5万元。则该公司2017年9月份应记入“税金及附加”科目的金额为( )万元。
【简答题】翻译: This laser beam covers a very narrow range of frequencies.
【单选题】The laser beam is so strong because ______.
A.
it is a highly intensified beam of light
B.
its strength is increased by the heat of the sun
C.
it can be connected to strong light sources
D.
it is a concentration of light from different sources