美国脐橙是一种营养丰富的水果,现被世界各国引进栽培,大多被栽种在丘陵地区山谷中。但北半球冬、春季节微风晴夜出现的近地面逆温现象经常使脐橙遭受冻害。左图为冬、春季节微风晴夜山谷出现的气温分布模型,a、b、c、d代表等温线,且数值a>b>c>d。右图为美国西部某山谷一次超强寒潮过境的微风晴夜测得的不同地形部位气温变化过程曲线。读图,春季山谷地形中通常最早出现植物发芽、开花的地方是( )
A:甲
B:乙
C:丙
D:丁
给加横线的字选择正确的解释。
思援弓缴而射之。( )
根据短文理解选择答案。
FILA Men's T-shirts
Made in: China
Colour: white
Size: M
Material: cotton
Wash them with warm water in machines (洗衣机).
Price: ¥320
FIRS Men's Coats
Colour: grey
Size: L
Material: 98% wool, 2% cotton
Dry cleaning (干洗) only.
Keep them in dry and cool places.
Price: ¥1320
Senda Women's Shoes
Colour: pink
Size: M (235 mm)
Material: leather
Keep away from water.
Price: ¥820
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