灌排建筑物的级别根据过水流量的大小确定,当过水流量为300~100m3/s时,灌排建筑物的级别为( )级。
A.1
B.2
C.3
D.4
A.1
B.2
C.3
D.4
第1题
What can we learn from the WTC collapse?
A.Although the structure of the two buildings was very strong, the death toll was still very shocking.
B.The structure of the two buildings was of the first class.
C.The structure of the two buildings was not so strong as people had expected.
D.The structure of the two buildings was strong enough to withstand any accidents.
第2题
What can we learn from the WTC collapse?
A.Although the structure of the two buildings was very strong, the death toll was still very shocking.
B.The structure of the two buildings was of the first class.
C.The structure of the two buildings was not so strong as people had expected.
D.The structure of the two buildings was strong enough to withstand any accidents.
第3题
What can we learn from the WTC collapse?
A.Although the structure of the two buildings was very strong, the death toll was still very shocking.
B.The structure of the two buildings was of the first class.
C.The structure of the two buildings was not so strong as people had expected.
D.The structure of the two buildings was strong enough to withstand any accidents.
第4题
What can we learn from the WTC collapse?
A.Although the structure of the two buildings was very strong, the death toll was still very shocking.
B.The structure of the two buildings was of the first class.
C.The structure of the two buildings was not so strong as people had expected.
D.The structure of the two buildings was strong enough to withstand any accidents.
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