Nowadays , the world have come into information era , skillful technician who are versed in computer programming are in great demand in every trade . recently , many programming cai software appear , but they neglect to improve the learner ' s programming ability because only teach syntax of programming languages 目前,國際國內(nèi)出現(xiàn)了許多計算機程序設計的cai軟件,但是這些cai軟件大多數(shù)只是簡單地停留在教授程序語言的語法的基礎上,忽略了對學習者程序設計能力的培養(yǎng)。