若长时间近距离看书写字,容易造成近视.图中属于近视眼成像情况及其矫正方法分别是( )
A:甲、丙
B:甲、丁
C:乙、丙
D:乙、丁
汉译英。
一般来说板块内部地壳比较____ ;板块与板块____ 的地带,地壳比较活跃.
He had wanted to write ____children's book for many years, but one thing or another always got in _________ way.