【单选题】以四冲程四缸发动机为例,它的做功(点火)顺序是()
【单选题】—What do you want? —I want a ______. [ ]
【单选题】—What can I do for you? —I want a . [ ]
【简答题】现代汽车所用的发动机,按所用燃料不同,分为___________和___________。
【单选题】以四冲程四缸发动机为例,它的做功(点火)顺序是()
【单选题】---_____________ a great hat collection? ---Yes, I have many hats.
B.
Do you like C. Do you play D Do you have