【简答题】叶用莴苣苗期管理。

【简答题】鲜或冷藏的其他莴苣

【判断题】“采采芣苢”的“芣苢”指的是莴苣。

【单选题】所给莴苣的症状为

【简答题】叶用莴苣又称为（）。

【单选题】叶用莴苣指的是：（）

【简答题】Can hard work be replaced by machines in agriculture? Yes, man is trying out automatic (自动化) farming. It is fun to watch a machine picking tomatoes. The strange machine sails like a ship across a sea ...

【简答题】Lettuce (莴苣)has been eaten for over 4,500 years, and was known to the Egyptians, Greeks and Romans. Now, people in some countries start the meal with lettuce as part of a salad. There are hundreds of ...

【判断题】生菜是莴苣的变种。

【单选题】莴苣和芹菜属于()。