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【单选题】
The__________of aquatic life considered to be eneredbecause of improperly disposed chemicals and other waste.()
A.
One-Thirds
B.
Two-thirds
C.
Two-Fourth
D.
One-Fourth
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】__________ strategy is used microalgae and duckweed for waste treatment.()
A.
Common Fisheries Policy
B.
Environmental Impact Evaluation Tools
C.
Integrated Multitrophic Aquaculture
D.
Fish Trimming and Blood Waters
【单选题】以下家庭属于联合家庭类型的是（ ）
A.
张丽和爷爷奶奶、爸爸妈妈生活在一起。
B.
离婚之后，爸爸与张阿姨再婚，带着王亮与张阿姨和她的女儿生活在一起。
C.
李然和奶奶、父母、小叔婶婶住在一起。
D.
李梅和爷爷、父母、保姆小王生活在一起。
【单选题】选出对下列句子的重音和语调判断正确的选项。____Go to bed early! (strong command)
A.
Go to bed `early!
B.
'Go to 'bed ̗early!
C.
'Go to bed `early!
D.
'Go to 'bed `early!
【单选题】Excessive richness of nutrients in lake called as________ ()
A.
Algal bloom
B.
Acid Rain
C.
Eutrophication
D.
None of them
【单选题】Salmon catches in the Atlantic have decreased by _____% since the early 1970s ()
A.
90
B.
80
C.
75
D.
92
【单选题】以下不属于霍桑实验发现的是（ ）
A.
工人的工作效率取决于个人成就感
B.
非正式群体对工人的工作效率有影响
C.
工人在劳动过程中有社会需要
D.
管理者应通过提高士气来提升工作效率
【多选题】What are the ecological benefits of forests?____
A.
Forests can conserve water and soil
B.
Forests can prevent wind and fix sand
C.
Forests can regulate the climate
D.
Forests can eliminate pollution