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【简答题】
液工作压泵的条件是必须形成密闭( )的容积,并且把吸油和压油分开,才能完成工作
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举一反三
【单选题】--This is the first time I ____ pictures with my own camera. --It’s time that you ___ a picture of me.
A.
took; took
B.
took; will take
C.
have taken; took
D.
will take; have taken
【单选题】_________ first time I met him in his office, he shook me by _________ hand warmly and then introduce himself to me.
A.
The; 不填
B.
The; the
C.
The; a
D.
A; 不填
【单选题】first time I met him in his office, he shook me by hand warmly and then introduce himself to me.
A.
The;不填
B.
The; The
C.
The; a
D.
A；不填
【单选题】I have no experience related to _______, since it's the first time for me to handle such a problem. [ ]
A.
call upon
B.
live on
C.
take on
D.
draw upon
【单选题】Please show me ______ to send an e-mail, John. It's the first time for me to do it. [ ]
A.
how
B.
what
C.
when
D.
where
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