[判断题]客服中心岗负责售补票、兑零、问询间隙，留意进站乘客动态,发现精神异常、醉酒等不宜乘车的乘客，劝阻其进站乘车，并及时汇报车控室，必要时请求地铁公安或其他同事协助并注意自我保护。
A.正确
B.错误

Two main techniques have been used for training elephants, which we may call respectively the tough and the gentle. The former method simply consists of setting an elephant to work and beating him until he does what is expected of him. Apart from any moral considerations this is a stupid method of training, for it produces a resentful animal who at later stage may well turn into a man-killer. The gentle method requires more patience in the early stages, but produces a cheerful, good-tempered elephant who will give many years of loyal service.
The first essential in elephant training is it assigns to the animal a single mahout who will be entirely responsible for the job. Elephants like to have one master just as dogs do; and are capable of a considerable degree of personal auction. There are even stories of half trained elephant calves who have refused to feed and pained to death when by some unavoidable circum stance they have been deprived of their own trainer. Such ext
A. early financial returns
B. their willingness to obey their trainers
C. the avoidance of anxiety in the elephant
D. that elephants are difficult to keep

材料一：大户张机为生，小户趁织为活。每晨起，小户数百人，嗷嗷相聚玄庙口，听大户呼织，日取分金饔飧计。大户一日之机不织则束手。小户一日不就人织则腹枵，两者相资为生久已。
——摘自蒋以化《西台漫记》卷四
材料二：清雍正帝说：“农为天下之本务，而工贾皆其末也……惟平日留心劝导，使民知本业为贵。”
材料三：永乐二年，禁民下海。时福建濒海居民，私藏海舡，，交通外国，因以为寇，郡县以闻。遂下令禁民间海船。原有海船者，悉改为平头船，所在有司（有关部门）防其出入。
——摘自明朝《永乐实录》卷二十七
材料四：顺治元年，清政府颁布“迁海令”，将北起山东南至广东的沿海居民内迁三十四华里，并且将所有沿海船只悉行烧毁，寸板不许下水。凡溪河装栅，货物不许越界，时刻瞭望，违者死无赦。
——摘自《台湾外纪》卷十二