【单选题】如果对应收账款科目进行往来业务核算和管理,则在输入应收账款凭证时不是必须输入的内容是( )。
【单选题】The underlined word 'filtering' in Paragraph 2 means ______.
B.
purifying by using a filter
【单选题】The phrase 'come forward'(Para. 6)most probably means '______'.
【单选题】Using language clearly means the following EXCEPT________
A.
avoid using abstract words
C.
avoid using figurative language
【简答题】( ) 不得离开仪器,必须有人在仪器旁小心看护,切勿将仪器靠在墙边或树上,以防跌损。