A:热的地方成低压,冷的地方成高压
B:气压带、风带季节移动的原因在于太阳直射点的回归运动
C:低气压带气流上升,多晴天,高气压带气流下沉,多云雨
D:气压带、风带夏季南移,冬季北移
下列方法中,不能得到遗传的变异的是( )
What's this? ____ Her name is Li Li.
Hello, Jenny.____ I'm fine.
What's her name?____ I have four.
How many books do you have?____ It's a cat.
How are you?____ Hi, Wang Hong.
高空的冰晶在下落过程中变成了雨滴,这说明( )