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【单选题】
下图表示一种多层次、多级利用自然资源、实现良性循环的农业生态工程设计:先将农作物的秸秆糖化处理,用以饲养家禽、家畜;取它们的排泄物,用来培养食用菌;收集残留物作为养殖蚯蚓的原料;最后把蚯蚓的残留物,连同排泄物一同送到农田,物尽其用。 请回答问题: 建立这一生态系统的目的是_________。
A.
调整能量流动关系,使之朝向有利于人类的方向发展。
B.
调整能量流动关系,使之朝向有利于动植物保护的方向发展。
C.
改变生态系统机构,使之朝向有利于人类的方向发展。
D.
改变生态系统机构,使之朝向有利于动植物保护的方向发展。
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举一反三
【单选题】根据( )不同,可将商品分为生活资料商品和生产资料商品
A.
用途
B.
加工工艺
C.
化学成分
D.
原材料
【单选题】What was Jessica fond of reading when she was young?
A.
Classics recommended by the school.
B.
Classics on which Disney films are based.
C.
Stories about murders and poetry.
D.
Stories restricted by her parents.
【简答题】战略思想是指导企业( )制定和实施的基本思想。
【单选题】When she was reading the moving story, her eyes were { } with tears. ( )
A.
rattle
B.
stack
C.
define
D.
glisten
E.
fund
F.
tone
G.
toss
H.
relatively
【简答题】When I saw her, she was reading _______. 限A. an old, exciting, detective story B. an exciting, detective, old story C. a detective, old, exciting story D. anexciting, old, detective story
【简答题】She was ( interest ) in reading books when she was eight years old .
【简答题】Elliott was moved when she finished reading the letters.
【单选题】She was reading the newspaper attentively, but she looked _____ the newspaper when she heard the
A.
40. She was reading the newspaper attentively, but she looked _____ the newspaper when she heard them talking about her. A.away from
B.
out for
C.
up away
D.
up from
【单选题】战略思想是指导企业( )制定和实施的基本思想。
A.
经营目标
B.
经营思想
C.
经营方针
D.
经营战略
【单选题】根据商品( )不同,可将商品分为生活资料商品和生产资料商品。
A.
基本用途
B.
原材料
C.
加工工艺
D.
化学成分
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