answer：The Immigrants from many different countries have their own special dietary habits; Thus, the Australian dietary habits will be influenced by the communication of different kinds of people. The Chinese immigrants has a far-reaching influence on Australian dietary habits. The entering of the Chinese immigrants have brought such food as shrimp, tomato and scrambled egg on their dining-table.
2.question：涉訴如何，如生產制造工藝，設備技術，存儲和分發技術科技發展的影響，澳大利亞食物的選擇
The development of processing and manufacturing make the food reserved longer. Theirfore, the Australia can get more inported food, such as Chinese seafood , dried longan pulp（桂圓肉),canning mushroom , cooked pork and pork products. All these food importing Australia which still remain fresh is owing to the development of the processing and manufacturing and the storage technology.
3. question：解釋如何能影響氣候變化對糧食生產在發展中國家
answer：With the development of human science and technology, there are many ways that can improve the production of agriculture regardless of the influence of the climate. In developing country, people can use reservior to help them overwhelm the drought and relieve flood. In that way, they can improve their output of the agriculture.
4. question：討論兩種以下因素可能影響食物的選擇和妳的討論中使用的實例(2種就可以了)
answer：I choose A and C.
In China, the Hui nationality don't eat pork because of their special convention. This is an example of the influence of social factors. Human's appetite can influence their choice for food. For example, if you don't want to eat fish this evening, you will not have a nice dinner unless their are other dishes offered for you.