假如光在同一均匀介质中不沿直线传播,下列现象可能出现的是( )
A:地球上没有昼夜之分
B:做操时更容易排直队伍
C:阳光下的人影更清
D:更容易形成日食和月食
—The cost of food and clothing is going up nearly every day.
—Yes, the price of vegetables is much than before.