【单选题】Immigration brings economic benefits in that
A.
it narrows the gap between earnings in the poor and the rich worlds.
B.
it helps remove trade barriers between the developing and the developed.
C.
it supplies adequate labors to a slow-moving host economy.
D.
it increases tax-paying in the host countries without spending public money.
【单选题】I did not want to be responsible for Mable's insonmnia , so I kept the three dollars.
【单选题】冷却系统中锈蚀物和水垢积存的后果是( )。
【判断题】直流发电机在电枢绕组元件中产生的是交流电动势,只是由于加装了换向器和电刷装置,才能输出直流电动势。
【判断题】直流发电机在电枢绕组元件中产生的是交流电动势,只是由于加装了换向器和电刷装置,才能输出直流电。
【单选题】With whom did Christopher NOT meet?
C.
The Jordanian President.
D.
The Israeli Prime Minister.
【简答题】根据《会计法》规定,对授意、指使、强令故意销毁依法应当保存的会计凭证、会计账簿、财务会计报告,尚不构成犯罪的,县级以上财政部门视违法行为的情节轻重,对违法行为人最低处以( )元罚款。
【简答题】The boy is a quick learner. The boy learns ________________________