危险化学品大部分是()、(),火灾发生后,燃烧将异常猛烈,蔓延速度非常快。
参考答案:易燃气体;液体或固体
Rather than ______ the vegetables to go bad, he preferred ______ them at half price. [ ]
A. allow; sell
B. to allow; selling
C. allowing; sell
D. allow; to sell
肾癌根治性切除是指
A.单纯肾切除B.肾切除+部分输尿管切除C.肾切除十全部输尿管切除D.肾切除十全部输尿管切除+部分膀胱壁切E.肾切除+肾周筋膜和脂肪、肾门淋巴结切除