事故发生后，因抢救人员、防止事故扩大以及疏通交通等原因，需要移动事故现场物件的，可以暂不考虑保护现场，坚持先人后物的救护原则。
参考答案：错
—Mr Johnson, what are teachers supposed to do for the students?
—As teachers, we feel ________ our duty to teach our children to be good wherever we are.[ ]
A. this
B. that
C. it
D. there is
提高关税的税率将使本国的厂商可以提高同类产品的竞争力。
