少年期的三大生理变化,指的是[ ]
①性机能发育成熟②身体外形急剧变化③体内机能迅速健全④思想更加活跃
A、①②④
B、①②③
C、①③④
D、②③④
答案:B
读下图地球光照示意图,回答问题。
(2)A、B、C三点中昼最长的______是,C点昼长______小时。
(3)此刻,B点正午太阳高度是______,北京时间为______时。
Japan and the newly industrialized countries are passing labor-intensive sects as garment making over to less developed nations and moving into advanced technology and services.
A.sects like
B.sectors like
C.sections as
D.sections such as