【单选题】张爷爷,65岁。因进食不洁食物,出现严重腹泻,应予()
【单选题】If he should fail, we ___ him to try again.
【单选题】危险化学品是指化学品具有易燃、()及腐蚀特性,会对人员、设施环境造成伤害或损害的物品。
【单选题】If he should fail to_________the project to a successful close in time, he would be severely_______.
【单选题】If he should fail, we him to try again.