搜题请搜索小程序“爱下问搜题”
问题 名词解释

共生关系

答案

参考答案：

指两种生物紧密地生活在一起，相互依赖，互为对方创造有利条件，彼此不能分离，在生理上相互分工，互换生命活动的产物，在组织上形成新的形态结构的相互关系

填空题

Visitors to Britain may find the best place to sample local culture is in a traditional pub. But these friendly hostelries can be minefields of potential gaffes for the uninitiated.
An anthropologist and a team of researchers have (1) some of the arcane rituals of British pubs—starting with the (2) of getting a drink. Most pubs have no waiters—you (3) to go to the bar to buy drinks. A group of Italian youths (4) for 45 minutes before they realized they would have to (5) for their own. This may sound inconvenient, but there is a (6) purpose.
Pub culture is designed to (7) sociability in a society known for its reserve. Standing at the (8) for service allows you to chat with others (9) to be served. The bar counter is possibly the only (10) in the British Isles in which friendly conversation with (11) is considered entirely appropriate and really quite normal (12) . "If you haven’t been to a pub, you (13) been to Britain." This tip can be found in a (14) , Passport to the Pub: The Tourists’ Guide to Pub Etiquette, a (15) code of conduct for those wanting to sample "a central part of (16) life and culture". The trouble is that if you do not (17) the local rules, the experience may fall flat. For (18) , if you are in a big group, it is best if only one (19) two people go to buy the drinks. Nothing irritates the (20) customers and bar staff more than a gang of strangers blocking all access to the bar while they chat and dither about what to order.
查看答案
单项选择题

国家安全生产监督管理总局是国务院主管安全生产综台监督管理的直属机构•依法对全国安全生产交施（）。

A、综合监督管理

B、行业监督管理

C、建筑安全生产监督管理
查看答案