近日来,全国安全事故频发,折射出人们对化学品与安全知识的极度缺乏,下列有关化学品与安全的说法或操作正确的是
A.运液氯可用钢瓶装,车上应贴 标志。装运浓硫酸可用铝槽罐车,应贴 标志 |
| B.冬天严禁在窗门紧闭的室内用煤饼炉取暖,因为生成的CO、CO2等容易引起中毒 |
| C.洁厕灵和厨房清洁剂不能混合使用,因为会反应生成Cl2引起中毒 |
| D.患有胃溃疡的患者治疗胃酸过多,可用长期大量服用含Al(OH)3的胃药 |
It’s high time you had your hair cut ; it’s getting _______ . 
| A.too much long | B.much too long ![]() |
C.long too much | D.too long much |
My friend showed me round the town, ______ was very kind of him. 
| A.which | B.that | C.where | D.it |
They use computers to keep the traffic _______ smoothly.
| A.being run | B.run | C.to run | D.running |
If you leave the club, you will not be_____back in .
| A.received | B.admitted | C.turned | D.moved |
What I need is_____ book that contains ______ABC of oil painting.
| A.a; 不填 | B.the; 不填 | C.the; an | D.a ; the |