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【判断题】
Q345是一种常用的低合金高强度结构钢。A.
正确
B.
错误
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举一反三
【单选题】–This is the first time I _____ pictures with you . –Now it is time that you ______ a picture for me .
A.
took , took
B.
have taken , took
C.
took , have taken
D.
has taken , take
【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】She gives me a big smile __________ she sees me.
A.
a first time
B.
some time
C.
every time
D.
from time to time
【简答题】Please show me _______to send an e-mail, John．It's the first time for me to do it.
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