分析气候特征,一般从哪两方面去考虑:①气温 ②风 ③降水 ④阴晴( )
A.①②
B.①③
C.②③
D.②④
气温与降水对生活和生产影响深刻,是我们最为关注的气候要素.
故选:B.
—When shall I phone you, morning or afternoon?
— , I'll be in all day. [ ]
A. Each
B. Both
C. Neither
D. Either
颅内动脉瘤好发部位有()
A.前交通动脉
B.后交通动脉
C.基底动脉
D.豆纹动脉
E.颈内动脉末端