危险化学品安全技术
本部分共10小题，每小题1分。每题的备选项中只有一个最符合题意。
危险化学品的主要危险特性是( )。
D.火灾、失效、中毒、腐蚀及污染环境

单项选择题_____污泥适合采用气浮浓缩法。

未分类题张某委托刘某购书，并将一本存有3万元人民币的全国通兑活期存折交给刘某用于买书。刘某在途中取出该存折的3000元用于购买毒品，被公安机关当场抓获。审讯中，刘某供述存折中余下的1万元仍打算用于购买毒品。县法院对刘某判处有期徒刑15年。随后，公安机关作出行政处罚决定，关于当场查获的3000元和存折内的余款，正确的处理方法是( )。D.没收用于购买毒品的3000元，将存折内余款返还张某

单项选择题平飞时飞机重心会在纵向前后移动，需要不断调整操纵面保持平衡，此过程称为( )。 A、俯仰配平 B、俯仰操纵 C、方向操纵 D、方向配平

单项选择题- Quelle est votre nationalité ? - Je（ ）allmande. A、 es B、 suis C、 est D、 être

未分类题Most children with healthy appetites are ready to eat almost anything that is offered them and a child rarely dislikes food (1)_____ it is badly cookeD.The (2)_____ a meal is cooked and served is most important and an (3)_____ served meal will, often improve a child's appetitE.Never ask a child (4)_____ he likes or dislike a food and never (5)_____ likes and dislikes in front of him or allow (6)_____ else to do so. If the father says he hates fat meat or the mother (7)_____ vegetables in the child's hearing he is (8)_____ to copy this procedurE.Take it (9)_____ granted that he likes everything and he probably (10)_____. Nothing healthful should be omitted from the meal because of a (11)_____ dislikE.At meal times it is a good (12)_____ to give a child a small portion and let him (13)_____ back for a second helping rather than give him as (14)_____ as he is likely to eat all at oncE.Do not talk too much to the child (15)_____ meal times, but let him get on with his food: and do not (16)_____ him to leave the table immediately after a meal or he will (17)_____ learn to swallow his food (18)_____ he can hurry back to his toys. Under (19)_____ circumstances must a child be coaxed (20)_____ forced to eat.A.ifB.untilC.thatD.unless