Imagine a product that can be used as medicine, a cleaning agent and a beauty treatment. You can eat it, drink its juice, and _31__ essential oil from it .it is available all over the world, and is inexpensive .You may even have one in your kitchen__32__ Whatis it The lemon!
It is thought that lemons__33_ in Southeast Asia. From___34_ they were gradually carried west and toward the Mediernean. Lemon trees thrive in mild _35_,which is why they grow so well in places like Italy, Mexico, Spain, and even parts of African and Asia. A mature tree, depending on the variety and location, can produce36__ from 200 to 1500 lemons a yea.
The cultivated(培养的) varieties _37__ in different periods ,making it possible to harvest lemons all year round.
You don’t need lots of space to grow a lemon tree. Even a sunny balcony(阳台) enough, __38__ small lemon trees can be grown in pots and can make your house beautiful. They like sunny, wind-free spots where they can soak up the warmth,_39 against a wall. However, if the temperature drops a lot during the winter, they need to be __40_ or brought indoors.