[名词解释] 三开道岔 three-throw turnout
[名词解释] 道岔阻力 switch resistance
[名词解释] 交分道岔 slip switch
[单选题]18.1 can _________ swim _________skate. Will you teach me how to swim and skate?A. not only,but alsoB. both,andC. either,orD. neither,nor
[主观题]to, I, how, last, winter, skate, learned__________________________________________________________________________.
[单选题]I will throw a birthday party to observe my 18th birthday.句中observe一词的意思是()。A . 观察B . 听课C . 遵守D . 庆祝生日
[单选题]脱鞋器一般位于()。A . 道岔区坡前部B . 道岔区坡中部C . 调车场头部警冲标内方D . 调车场头部警冲标外方
[单选题]She’S fainted.Throw some water on her face and she may soon__________.A.come aroundB.come againC.come backD.come on
[多选题] 可以使用throw语句抛出的对象包括()。A . ErrorB . EventC . ExceptionD . ObjectE . ThrowableF . RuntimeExceptio