A poor farmer had a friend,who was famous for the wonderful apple he grew.One day,his friend gave the farmer a young apple tree and told him____(take) it home and plant it.

    The farmer was pleased with the gift,but when he got home he did not know where to plant it.He was afraid that ____he planted the tree in one of his fields,his neighbors would come at night and pick some of the apples.Finally he planted the tree in his wood____no one could see it.But____sunlight and good soil,the tree soon died.

    Later the friend asked the farmer why he had planted the tree in____a poor place."What's the difference?"the farmer said____(angry)."If I had planted the tree near the road,strangers____(steal) the fruit."

    "Yes,"said the friend,"____at least someone could have enjoyed the fruit.Now you not only have robbed everyone____the fruit,but also you____(destroy)a good apple tree!"

化简，求值．

已知：（a+2）²+|b﹣3|=0，求 $\frac{1}{3}$ （ab²﹣3）+（7a²b﹣2）+2（ab²+1）﹣2a²b的值．

①橡胶—菲律宾      ②蕉麻—马来西亚    ③棕榈油—马来西亚

④橡胶—泰国        ⑤蕉麻—菲律宾      ⑥棕榈油—印度尼西亚