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【单选题】
砌筑砂浆的技术性能( )等指标。A.
流动性
B.
粘聚性
C.
保水性
D.
强度
E.
抗冻性
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举一反三
【单选题】It was important for the president to continue his schedule， regardless _______ the bomb threat。
A.
of
B.
by
C.
from
D.
with
【单选题】Mum__________ me to school as she knew it was important for me to receive education，but we were so poor then．
A.
had sent
B.
sent
C.
would have sent
D.
would send
【单选题】It was important for children to learn to ( ) themselves clearly.
A.
explore
B.
exercise
C.
expressive
D.
express
【简答题】It was important for the government to intervene.
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