【单选题】The lawyer seldom wears anything other than a suit ________ the season.
【单选题】在机械工程中,有些机构要求自锁,有些则要求防止自锁,试在下列各机构中指出哪些是要求自锁的。 ( )
【判断题】关于发票的抬头,若信用证无明确规定,则以开证行为抬头人
【简答题】Unit 3 ... I went snorkelling on the reef offshore this morning. ... Seeing such 小题1: , I think every cell in my body woke up. ... The first thing I 小题2: was all the vivid colours surrounding me—purpl...
【判断题】(冷却系统所有管路和阀门),发现有跑、冒、滴、漏时,必须及时报告当班领导,请求处理。
【单选题】A carbon dioxide fire extinguisher should be recharged ______.
B.
whenever it is below its required weight
C.
only if the extinguisher has been used
D.
before every safety inspection
【单选题】________ difficult the situation is, we'll help one another to overcome it. [ ]
【判断题】关于发票的抬头,若信用证无明确规定,则以开证行为拾头人。
【单选题】Blues was said to be created in the late 19thcentury by ____________ that were forced to work in cotton fields.
【单选题】Kate's dad is getting old. She will go back home to see him _____it is convenient.