25.gasline is _____ by ten spark plugs in the engine.
a. ignited b. inspired
c. excited d. illuminated
spark 火花
ignite （用燃料）点燃
fire 点燃、开枪、解雇
lighted 点着、点亮
ignore 忽视
igloo 小冰屋
kangaroo 袋鼠
nightmare 恶梦
inspire 启迪、启发、启示
inspiration 灵感
expire 断气、过期
conspire 阴谋
conspiracy 阴谋、同谋
spirit 精神
perspiration 流汗
aspire 渴望、热望, 立志
reflection 倒影、沉思
excited 激动的、兴奋的
illuminate 点亮、照亮、阐明、说明
illusion 幻觉
luminous 发光的