【答案】

       66. 人們所食用的大部分根菜通常被叫做根菜類蔬菜。（答案符合本意即可酌情給分）    

　　67. Many people like to put it in salad.    

　　68. Although some people do not consider potatoes to be a veggie, they are a root vegetable.    

　　69. Root vegetables people eat. （答案符合本意即可酌情給分）    

　　70. A root vegetable is what we call veggies that grow underground. （答案符合本意即可酌情給分）

　　【解析】文章介紹了根莖類蔬菜。

　　66. 根據(jù)Most roots that people eat 這是定語(yǔ)從句結(jié)構(gòu)，先行詞是Most roots，引導(dǎo)詞that在從句中作賓語(yǔ)；are usually called通常被叫做；故答案是：人們所食用的大部分根菜通常被叫做根菜類蔬菜。

　　67. 根據(jù)所給詞，可知句意是：許多人喜歡把它放在沙拉里。like to do喜歡做某事；put---in把---放到---里面；故答案是Many people like to put it in salad.

　　68. 根據(jù)Although和but不能連用；故答案是Although some people do not consider potatoes to be a veggie, they are a root vegetable.  

　　69. 根據(jù)文章介紹了根莖類蔬菜。故答案是Root vegetables people eat.

　　70. 根據(jù)A root vegetable is what we call veggies that grow underground.根菜就是長(zhǎng)在地下的菜；故答案是A root vegetable is what we call veggies that grow underground.

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