为防止中毒,必须做好个人防护。
参考答案:对
— Are you a visitor here?
— That’s right. I ____ round the world and now my dream of coming to China ____ true.
A.have traveled;has come
B.was traveling had been come
C.am traveling;has come
D.have traveled;has been come
驾驶机动车在路口遇到这种信号灯亮时,要在停止线前停车瞭望。