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【多选题】
库水体流速低,基本上属于静水环境,关于其自净特点描述正确的有___。( )
A.
湖泊、水库流动较快,有利于污染物的稀释、迁移
B.
湖泊、水库的水深大,水层间的水量交换条件较差,因而存在着随季节性变化的水温分层现象
C.
湖、库水体只有表层水在与大气的接触过程中,产生曝气作用,太阳辐射产生的光合作用也只在表水层中进行,造成了水中溶解氧随水深变化明显
D.
湖库水体与外界的水量交换小,污染物进入后,会在水体中的局部地区长期存留和累积,使得湖库水体被污染后难以恢复
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【单选题】The President was the person ______ .
A.
in whose honour the state dinner was given
B.
whom the state dinner was given in honour
C.
for whom the state dinner was given honour
D.
whose honour the state dinner was given
【单选题】Which of the following is CORRECT about the percentage of the federal tax and the state tax?
A.
They have the same percentage.
B.
The percentage of the state tax is higher than that of the federal tax.
C.
The percentage of the federal tax is higher than that of the state tax.
D.
It is not mentioned in the passage.
【多选题】为实现经济和生态的同步可持续发展,要大力发展绿色技术,包括
A.
治理污染技术
B.
清洁生产技术
C.
有利健康技术
D.
改善生态技术
【单选题】Alaska In 1858 Americans welcomed Alaska into the Union as the 49th state, symbolizing a change of attitude from that held in 1867, when the peninsula was purchased from Russia. Then, most Americans h...
A.
Rich resources of the state
B.
Connection with the outside world
C.
Transportation with the outside world
D.
The natives of the land
E.
Cold climate
F.
Land and population paragraph 3 ______.
【单选题】基于“三权分立”原则,由最高法院进行司法审查的国家是( )
A.
美国
B.
法国
C.
英国
D.
德国
【单选题】Which is the newest state, or the 50th state in America?
A.
Alaska
B.
Rhode Island
C.
Hawaii
D.
California
【单选题】神经垂体内的垂体细胞属于:
A.
内分泌细胞
B.
神经元
C.
神经胶质细胞
D.
神经内分泌细胞
E.
上皮细胞
【单选题】In 196, the lights of Empire State Building shined in green to celebrate the 200th anniversary of American independence.
A.
Y
B.
N
C.
NG
【单选题】神经垂体的垂体细胞属于
A.
神经细胞
B.
神经胶质细胞
C.
神经内分泌细胞
D.
内分泌细胞
E.
结缔组织细胞
【单选题】By the time California to become the 31th federal state of the USA in 1850, it was already a multicultural society.
A.
selected
B.
collected
C.
existed
D.
elected
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