题型:问答题 —I think Jerry will pass the exam this time. —________. He has been studying hard this year.A.I don’t agreeB.Yes, that’s all rightC.No, he can’tD.I think so 查看答案
题型:问答题 危险化学品安全技术工业生产中毒性危硷化学品进入人体的最重要的途径是( ),凡是以气体、蒸汽、雾、烟、粉尘形式存在的毒性危险化学品,均可经过它侵入体内。A.皮肤B.眼睛C.呼吸道D.消化道 查看答案