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【多选题】黑龙江省江河沟渠纵横交错，湖泊池塘、泡沼苇塘、水库塘坝星罗棋布，鱼类资源丰富，现已发现的鱼类有。（）
A.
185种
B.
105种
C.
占全国淡水鱼种类的23％左右
D.
占全国淡水鱼种类的13％左右
【单选题】Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route--throu...
A.
the ditch was along a quiet country road
B.
the accident happened on a clear warm day
C.
the police helped Mr. Johnson get out of the ditch
D.
Mr. Johnson had a tender wife and was well attended
【单选题】Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route--throu...
A.
The hammer.
B.
The coin.
C.
The screw.
D.
The horn.
【多选题】黑龙江省江河沟渠纵横交错，湖泊池塘、泡沼苇塘、水库塘坝星罗棋布，鱼类资源丰富，现已发现的鱼类有。（）
A.
185种
B.
105种
C.
占全国淡水鱼种类的23％左右
D.
占全国淡水鱼种类的13％左右
【单选题】Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route—throug...
A.
Luckily the door was torn away in the end
B.
At last the wrench went broken
C.
The lock came open after all his efforts
D.
The chance was lost at the last minute
【单选题】Nearly 5,000 years ago, during the Late Stone Age, people began building Stonehenge. It became a long-term project. People added to the site for more than 1,500 years. Most likely Stonehenge was first...
A.
to show research done by today's scientists
B.
to describe life of the Stone Age
C.
to tell about the early farming
D.
to introduce an ancient site
【单选题】Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route--throu...
A.
Luckily the door was torn away in the end
B.
At last the wrench went broken
C.
The lock came open after all his efforts
D.
The chance was lost at the last minute
【单选题】Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route--throu...
A.
The hammer.
B.
The coin.
C.
The screw.
D.
The horn.
相关题目：
【单选题】河流与沟渠的解译标志主要区别是( )
A.
均为线状或带状
B.
河流人工特征明显
C.
沟渠人工特征明显
D.
河流形态比较规则
【多选题】黑龙江省江河沟渠纵横交错，湖泊池塘、泡沼苇塘、水库塘坝星罗棋布，鱼类资源丰富，现已发现的鱼类有。（）
A.
185种
B.
105种
C.
占全国淡水鱼种类的23％左右
D.
占全国淡水鱼种类的13％左右
【单选题】Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route--throu...
A.
the ditch was along a quiet country road
B.
the accident happened on a clear warm day
C.
the police helped Mr. Johnson get out of the ditch
D.
Mr. Johnson had a tender wife and was well attended
【单选题】根据弃土场工点的地形、地质及水文条件，结合沟渠、农田灌溉等设施，应综合考虑弃土场（）的设置。
A.
挡土墙
B.
植草防护
C.
排水系统
D.
平面位置
【单选题】Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route--throu...
A.
The hammer.
B.
The coin.
C.
The screw.
D.
The horn.
【判断题】寒冻风化是导致寒区涵洞、护坡、边墙、衬砌沟渠等破坏的主要因素之一。
A.
正确
B.
错误
【多选题】黑龙江省江河沟渠纵横交错，湖泊池塘、泡沼苇塘、水库塘坝星罗棋布，鱼类资源丰富，现已发现的鱼类有。（）
A.
185种
B.
105种
C.
占全国淡水鱼种类的23％左右
D.
占全国淡水鱼种类的13％左右
【单选题】Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route—throug...
A.
Luckily the door was torn away in the end
B.
At last the wrench went broken
C.
The lock came open after all his efforts
D.
The chance was lost at the last minute
【单选题】Nearly 5,000 years ago, during the Late Stone Age, people began building Stonehenge. It became a long-term project. People added to the site for more than 1,500 years. Most likely Stonehenge was first...
A.
to show research done by today's scientists
B.
to describe life of the Stone Age
C.
to tell about the early farming
D.
to introduce an ancient site
【判断题】沟渠不包括渠堤、护堤林及小型泵站。
A.
正确
B.
错误
【判断题】单线沟渠为实地距离小于 0.5 米的 。 （ ）
A.
正确
B.
错误
【单选题】Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route--throu...
A.
Luckily the door was torn away in the end
B.
At last the wrench went broken
C.
The lock came open after all his efforts
D.
The chance was lost at the last minute
【单选题】Mr. Peter Johnson, aged twenty-three, battled for half an hour to escape from his trapped car yesterday when it landed upside down in three feet of water. Mr. Johnson took the only escape route--throu...
A.
The hammer.
B.
The coin.
C.
The screw.
D.
The horn.
【多选题】路基地表排水结构物(统称沟渠)常见的类型有()跌水、急流槽、拦水带、蒸发池、倒虹吸等。
A.
渗沟
B.
排水沟
C.
边沟
D.
截水沟
E.
盲沟