| 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. In this way the North American
Indians produce pemmican (dried meat ground into powder and made into cakes),
the Scandinavians make stockfish and the Arabs dried dates and "apricot
leather". All foods including water — cabbage and other leaf vegetables contains 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 which cause food to go bad is checked. Fruit is sun-dried in Asia Minor, Greece, Spain and other Mediterranean countries, and also in California, South Africa and Australia. The methods used vary, but in general, A. is the one most commonly used today B. was invented by the American Indians C. has been known for hundreds of years D. tends to be unhygienic [多选题]碳三反应器主要参加反应的物质有哪些（ ）。
A.MA B.PD C.CO2 D.H2 [填空题]原料药混合批次的有效期应当根据参与混合的（）产品的生产日期确定。
[判断题]申请人因国籍冲突，不便持用普通护照的，应当申请办理3个月多次出入境有效的出入境通行证。
A.正确 B.错误 [多选题] 关于该案,以下说法正确的是( )。
A. 宋某没有告知当事人处罚的事实、理由、依据和有关 权利,行政处罚不能成立 B. 宋某实施处罚时不听取当事人的陈述和申辩,并因关 某的申辩而加重了对其的行政处罚,是不合法的 C. 当场作出行政处罚决定,可以不开具行政处罚决定书 D.宋某在作出处罚时,没有出示执法证件,表明执法人员的身份是不合法的 [多项选择]Partnering模式的特点决定了它特别适用于( )的建设工程。
A. 大型和特大型 B. 新建、扩建、改建 C. 大中型 D. 不宜采用公开招标或邀请招标 E. 国际金融组织贷款 [单选题]支队（）至少开展1次灭火救援作战训练安全形势分析。
A.每季度 B.每月 C.每半月 D.每周 [单选题]<1535>可编程序控制器主机通过串行通信连接远程输入输出单元，通常系统的连接形式是（）结构。
A.树形 B.总线形 C.星形 D.环形 [判断题]氧气瓶不应设有防振圈和安全帽。( )
A.正确 B.错误 [判断题]跟踪出站调车,只准许在单线区间线路上办理,并须经列车调度员口头准许,取得邻
站值班员承认的电话记录号码,发给司机跟踪调车通知书(附件5)。( ) A.正确 B.错误 [多选题]变压器绝缘有弱点时，以下运行电流哪些是满足要求的。（）
A.0.8In B.1.1In C.1.2In D.0.5In [填空题]杜威认为，儿童的本能或冲动有四种类型。（ ）。P262
[单选题]纳税人进行软件和集成电路产业企业所得税优惠事项资料报告后,还应将提交资料的留存件留存备查,从企业享受优惠事项当年的企业所得税汇算清缴期结束次日起保留一定期限,该期限是:
A.5年 B.10年 C.15年 D.20年 [简答题]网络用语“3Q”代表的是什么意思？
[单选题]送电合闸操作应按照（ ）的顺序进行。
A. 断路器(开关)—电源侧隔离开关(刀闸)—负荷侧隔离开关(刀闸) B.断路器(开关)—负荷侧隔离开关(刀闸)—电源侧隔离开关(刀闸) C.负荷侧隔离开关(刀闸)—电源侧隔离开关(刀闸)—断路器(开关) D. 电源侧隔离开关(刀闸)—负荷侧隔离开关(刀闸)—断路器(开关) [单项选择]More artificial reefs (礁石) are being lowered into the ocean now than ever before. But as artificial-reef initiatives grow to include more coastal regions and a wider (62) of aged infrastructure(基础设施),some scientists worry that the commercial interests of fishing, diving and trash (63) are driving efforts that should be environmental. (64) that’s the case, they warn, (65) reefs may ultimately give way to an underwater junkyard. " (66) it’s one of these things where people take a very (67) view-drop something in the water and a bunch of fish come and that’s wonderful," says Bohnsack, a fisheries biologist. "The reality is not so simple. "
Do man-made reefs (68) ecosystems that have been destroyed by pollution, over fishing and global warming Or do they merely attract existing populations away from natural habitats (栖息地), concentrating them (69) unnatural ways and making them more (70) to over fi A. proposal B. arrival C. approval D. disposal [单选题]维持振荡的基本条件是（）。
A.足够的负反馈 B.足够的正反馈 C.只要是正反馈即可 D.有反馈即可 [单选题]在三种基本放大电路中，输出电阻最小的是()。
A.共射放大电路 B.共基放大电路 C.共集放大电路 D.不能确定 [单选题]（）类变电站检修领导小组组长由省公司分管生产领导担任，其它变电站检修领导小组组长由省检修公司、地市公司分管生产领导担任。
A. A.一 B.B.二 C.C.三 D.D.四 [判断题]电缆作业时钢丝绳受到严重火灾或局部电火烧过时,应予截除受损部位后再继续使用。
A.正确 B.错误 [判断题]被代理人为数人时，其中一人或者数人未经其他被代理人同意而提出解除代理关系，因此造成损害的，由提出解除代理关系的被代理人承担。（）
我来回答: 提交
|
