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一粒沙里见世界,半瓣花上说人情。大自然是伟大的,到了夏天正是西瓜上市的季节,此时的人们正是需要西瓜这个甜甜的水果。但很多人却不知道西瓜并非源自中国。我国原产水果很多,有桃,木瓜,荔枝和龙眼等;蔬菜有大白菜,白萝卜等等,还有,柠檬据说是原产中国西南;杏,是我国北方的主要栽培果树品种之一;陕西——猕猴桃;新疆——哈密瓜。中国现有耕地约9572万公顷,为世界耕地总面积的7.7%,从比例上看引进物种应
One grain of sand see the world, spend half human sayings. Nature is great, summer is the season of watermelon listing, this time people just need the sweet watermelon fruit. But many people do not know that watermelon is not from China. There are many native fruits in our country, such as peach, papaya, lychee and longan; vegetables such as Chinese cabbage and white radish; and lemon is said to be the original Chinese southwest. Apricot, one of the main cultivated fruit trees in northern China, Shaanxi - kiwi; Xinjiang - Cantaloupe. China currently has about 95.72 million hectares of arable land, accounting for 7.7% of the total arable land in the world. In terms of proportion, the introduction of species should