四幅图是同纬度的四个地区,其中气温日较差最小的是( )
A.
B.
C.
D.
海洋上升温慢,降温也慢,所以海洋上气温日较差较小,尤其是多云的时候气温变化最小.
故选:B.
Jack went to college last year and left his parents, ______ to return home until he achieves his goal. [ ]
A. determining not
B. not determined
C. not determining
D. determined not
典型的定价方法有:需求导向定价、()、竞争导向定价.