The selection of an oil from the （） depends to a great extent on the operating conditions, the design of the engine and the type of fuel to be burned. ["commercially available","commercially","commercial available","commerce available"]
第三代集成电路计算机，它的主要逻辑元件是（）。 ["中小规模集成电路","大规模或超大规模集成电路","电子管","晶体管"]
有些食品在冷藏时不能贮存在一起，以防止串味，如（）。 ["芹菜与青菜","苹果与土豆","梨与苹果","肉与鸡蛋"]
有休眠作用的果蔬是（）。 ["青菜","芹菜","洋葱","番茄"]
The selection of an oil depends （） on the operating conditions, the design of the engine and the type of fuel to be burned. ["to a great extent","on a great extent","on mainly","on only"]
大多数软体动物都有一个（）的身体和一个（）的外壳。
