空调冷热水系统主要由冷(热)水源、( )、集箱、空调机组或风机盘管、膨胀水箱等组成 A.
供回水管 B.
阀门 C.
仪表 D.
水泵

Have you finalized the (    ) for tomorrow’s meeting? A...

单项选择题 Have you finalized the (    ) for tomorrow’s meeting?
A、agenda
B、minutes
C、fax machine
D、computer

Marie, je te parle, écoute-_____. A、la B、lui C、me D、moi

单项选择题Marie, je te parle, écoute-_____.
A、la
B、lui
C、me
D、moi

3、Both literature review and book report belong to：（单选A...

单项选择题3、Both literature review and book report belong to：（单选