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【多选题】
《砌体结构工程施工质量验收规范》GB50203-2011适用于烧结普通砖、( )蒸压粉煤灰砖等砌体工程。A.
烧结多孔砖
B.
混凝土多孔砖
C.
蒸压加气混凝土砌块
D.
空心砌块
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举一反三
【单选题】--________ do you have PE? –Every Monday, Wednesday and Friday.
A.
How often
B.
How long
C.
How many times
D.
What time
【单选题】I waved to see him off and watched the train until it disappeared . [ ]
A.
at a distance
B.
from a distance
C.
in the distance
D.
within a distance
【简答题】How do dreams help us?They help us look at ______ in our daily life.
【单选题】When ( ) the airport, she waved again and again to us.
A.
leaving
B.
left
C.
having left
D.
having been leaving
【单选题】--_________do you have PE lessons? --Three times a week.
A.
How long
B.
How soon
C.
How many
D.
How often
【单选题】Nobody tells us ______, can you help? [ ]
A.
how we should do
B.
how to do it
C.
what to do it
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