昨天看电影我没有买到好票。
A. I did not buy a good ticket for yesterday's film.
B. I did not buy a good seat for yesterday's film.
这所全国重点大学为社会输送了大批的人才。
A. The national key university has sent batches of qualified talentsfor the society.
B. The national key university has prepared batches of qualifiedgraduates for the society.
白光形成的单缝衍射图样中,其中某一波长的第三个次最大值与波长为600nm 的光波的第二个次最大值重合,则该光波的波长多长?()
A. 428.6nm
B. 430nm
C. 400nm
D. 480nm