滚装船的首门结构形式有（）。
Ⅰ罩壳式；
Ⅱ边铰链式；
Ⅲ滚动式
| Centuries ago, man discovered that
removing moisture from food helps to preserve it, and that the easiest way to do
this is to expose the food to sun and wind. All foods contain water--cabbage and other leaf vegetables contain as much as 93% water, potatoes and other root vegetables 80% , lean meat 75% and fish anything from 80% to 60% depending on how fatty it is. If this water is removed, the activity of the bacteria(细菌) which cause food to go bad is checked. Nowadays most foods are dried mechanically. The conventional method of such dehydration(脱水) is to put food in chambers through which hoi air is blown at temperatures of about 110°C at entry to about 43°C at exit. This is the usual method for drying such things as vegetables, minced meat, and fish. Liquids such as milk, coffee, tea, soups and eggs may be dri A. the removal of water in food helps prevent it from going rotten. B. The open-air method of drying food has been known for hundreds of years. C. In the course of dehydration, the temperature of hot current coming from entry to exit is gradually going up. D. The process of drying liquids is much more complex than that of drying solid food. [单项选择]
场景（三） A. 15 B. 20 C. 25 D. 30 [单选题]横越停有机车、车辆的线路时，先确认机车、车辆暂不移动时，然后在该机车、车辆端部（ ）以外绕行通过。
A. 1m B. 2m C. 5m D. 3m [单选题]距牵引供电设备带电部分超过( )m的燃着物体，使用沙土灭火时，牵引供电设备可不停电，但须保持灭火机具及沙土等与带电部分的距离在2m以上。
A.2 B.4 C.5 D.10 [判断题]UPS的逆流器在低电池电压关机后交流电源恢复时,只有手动启动。当过载状况消除,可由静态旁路自动转回逆流器输出
A.正确 B.错误 [判断题]由于物流中心出入库车辆比较多，噪音污染比较严重，故不宜选择住宅区附近。( )
[单项选择]以下哪一项是半月板损伤最佳的辅助检查（）
A. 膝关节空气造影 B. 膝关节碘油造影 C. 膝关节空气、碘油双重造影 D. CT E. 膝关节镜检查 [判断题]检修人员（包括工作负责人）不宜单独进入高压配电室、开闭所等带电设备区域内。
A.正确 B.错误 [单项选择]将计算机联入Internet的方法有（）
A. 电话拨号 B. 局域网 C. ISDN D. XDXL E. 以上均是 我来回答: 提交
|
