【简答题】A.The sun is in the same direction. B.They can see the compass. C.They have made the sign on the way. D.They have the instinct to tell the direction.
【判断题】制动盘是制动器中的旋转部件,它一般和车轮固定在一起。
【简答题】Ever since humans have lived on the earth, they have made use of various forms of communication.Generally, this expression of thoughts and feelings has been in the form of oral speech.When there is a ...
【单选题】Ever since human beings have ______ the earth, they have made use of various kinds of tools.
【简答题】For as long as humans have lived on the earth, they have made use of various forms of communication. Generally, this expression of thoughts and feelings has been in the form of oral speech. When there...
【简答题】A.Sometimes they are unreliable. B.Obviously they have made a mistake. C.On the whole they can be trusted. D.Generally speaking, they are very helpful.
【判断题】自动变速器内部的制动器是连接旋转部件和变速器壳体