【单选题】在水流作用下,基础周围埋置物被冲刷淘空的现象是( )。
【单选题】2014 年我国快递业务量累计达140亿件,跃居世界第一。最高日处理量超过1亿件。其中长三角、珠三角和京津冀三大经济区的快递业务量之和占全国快递业务量的比重为70.4%。下表为近年来我国快递业务量的发展情况.据此回答下列问题。 37.关于中国快递业的发展,下列说法不正确的是( )
【单选题】在水流作用下,基础周围埋置物被冲刷淘空的现象是( )。
【单选题】According to the professor, why was world market important for the United States agriculture?
A.
They provided evidence that Jefferson's ideal could be achieved.
B.
They made farmers less dependent on local bankers.
C.
They affected the prices that farmers could receive for their crops.
D.
They decreased the power of the railroads to control farm prices.
【单选题】电子商务成为我国快递业发展的巨大推动力,“电子商务+快递”正在为百姓带来实惠和方便。对此下列说法正确的有()①电子商务和快递业之间是互为替代的关系②电子商务和快递业之间存在着互补关系③电子商务和快递业的发展有助于推动我国产业结构的调整④电子商务和快递业的发展表明我国居民恩格尔系数不断提高
【单选题】Why doesnt the United States take the real legislative imnugration reform?
A.
The immigration agency cannot handle the administrative load.
B.
The United States regards all the immigrants criminal aliens.
C.
Senator Jeff Sessions highlights the losses illegal immigrants may incur.
D.
Jeff Sessions bears resentment against all the undocumented immigrants.
【单选题】※原电池形成闭合回路后,会在很短的时间内,出现阴极电位变低,这称为:
【单选题】下列何者是最具科学的方法,通常适用于因果性研究?
【单选题】Why was unemployment in the United States lower than in Western Europe?
A.
Because the economy was more developed in the United States than in Western Europe.
B.
Because it's easier to employ workers in the United States.
C.
Because the flexible American system generated more job opportunities.
D.
Because America put more effort into creating new jobs.
【单选题】关于快递业的发展说法正确的是()
C.
国内快递企业具有较强服务意识、理念,员工素质较高