Anoversight遗漏(miss,overslaugh)inproofreadingoftenresultsinprintederrors.
A、AninconsistencyFormulated in 1823, the Monroe Doctrine asserted that the Americas were no longer open to European colonization.
In1861itseemedinevitablethattheSouthernstateswouldbreakawayfromtheUnion.
One of the greatest breakthroughs for professional women came in 1973 when the field of banking opened up for them.
Comets are still regarded with awe by some people.
Eyespots,themostrudimentaryeyes,arefoundinprotozoan原生动物flagellates鞭毛虫,flatworms扁形虫,andsegmentedworms片段蠕虫.
