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【单选题】
在某水生生态系统中,分布有水鸟、藻类、芦苇等动植物,某些水鸟具有秋季迁移的习性。下列叙述错误的是A.
该水生生态系统的物种数量随季节而发生变化
B.
减少藻类后，输入该水生生态系统的能量维持不变
C.
藻类和芦苇等生产者固定的能量是流经该生态系统的总能量
D.
该水生生态系统动植物残体被微生物分解后可产生含氮化合物
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举一反三
【单选题】How does Sompop solicit funds for his program?
A.
He has been sponsored by the government.
B.
He accepts donations from individuals and non-govenment organizations at home and abroad.
C.
The beneficiaries and their parents pay for what they are given.
D.
Thailand's Prime Minister donated him a large sum in 1994.
【单选题】Before the museum is actually built, all of the following have to be done EXCEPT
A.
soliciting half the museum's price tag from private donors.
B.
choosing an architect.
C.
choosing a director of the new museum.
D.
assembling the collection.
【简答题】It is illegal for public officials to solicit gifts or money in exchange for favors. ( 索要 )
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