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School gardens can have a positive effect on children's health, as well as the environment.

Researchers in Australia discovered that children who are involved with school gardens eat more fruit and vegetables. They are also willing to taste and cook a greater variety of fruit and vegetables and demonstrate improved behavior both at home and in class.

The joint research project with U.S. scientists studied 13 school garden programs in Australia and the United States to examine their impact on children's dietary behavior and to identify similar helpful strategies used in the programs.

The studies also found that children involved in the programs had an improved attitude towards fruit and vegetables, could easily identify them and were more likely to taste and prepare or cook fruit and vegetables.

Further research will be conducted to understand how to achieve long-term improvements in dietary behavior and how to sustain and develop the programs in schools.

involved with… 涉及…，跟…有接触 与第四段中出现的involved in是一个意思，用哪个介词关键看后面的名词。如果是plan、program、project之类比较抽象的概念，with和in都可以；如果是像school garden这样很具体的东西，一般用with。

fruit n. 水果 这个词想必大家都非常熟悉，在此特别提醒一句：若fruit泛指水果，一般当不可数名词处理。若特指某类具体水果，则可以使用复数形式fruits。比如：fresh fruit and vegetables （新鲜水果和蔬菜）以及tropical fruits（热带水果）。

behavior n. 行为 跟fruit类似，若泛指，当不可数名词处理。若描述具体某种行为，可以出现behaviors这种复数形式。
例句：
Apologize to her for your rude behavior! （你的行为太粗鲁了，快向她道歉！）
Spitting and urinating/defecating in public places are just some of the behaviors I can’t stand. There are loads more, but I won’t get into details here.（随地吐痰和大小便只是我无法容忍的部分行为。还有许多其他行为我就不一一展开讲了。）

likely adj. 可能的，有希望的 possible和likely是英语考试里经常出现的一对单词。两者虽然都表示“可能的”，但有明显区别。简言之，两者概率不同。possible适用任何比率的可能性，哪怕低到百分之零点零零零一。而likely则要求有相当高的可能性，类似于中文里的“多半会…”。
例句：
If you are not a professional bowler, hitting 12 strikes in a row is not likely, but still possible. （如果你不是职业保龄球手，连续打12个全中获得满分的几率非常低，不过还是有可能的。）