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【多选题】

秧苗沤根的表现( )。

A.
根部不发新根,变白、干枯
B.
根皮发生腐烂
C.
幼苗萎蔫
D.
茎叶生长迅速,但叶片呈失绿现象
题目标签:秧苗沤根
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【单选题】On a cool June morning, Liz Neumark is stirring up a simple summer soup for some very demanding clients. As cofounder and CEO of Great Performances, one of New York City’s most successful catering com...

A.
let the kids plant and cook fresh food by themselves
B.
show city kids where real food comes from and what it tastes like
C.
prevent the kids from eating processed food, soda and sweets
D.
convince children to change their unhealthy eating habits

【多选题】秧苗徒长的表现( )。

A.
叶色浅,茎节长
B.
根系发育差,根重比值低
C.
细胞含水量大,耐倒伏
D.
含糖量低,抗病性差

【单选题】On a cool June morning, Liz Neumark is stirring up a simple summer soup for some very demanding clients. As cofounder and CEO of Great Performances, one of New York City’s most successful catering com...

A.
arrived at Neumark’s Farm that morning with his parents
B.
swallowed a bowl of soup and vomited immediately
C.
will try this kind of soup later in his life and like the taste
D.
knows where the vegetable comes from and how the soup tastes

【多选题】秧苗沤根的表现( )。

A.
根部不发新根,变白、干枯
B.
根皮发生腐烂
C.
幼苗萎蔫
D.
茎叶生长迅速,但叶片呈失绿现象

【单选题】控制秧苗徒长,主要是 。

A.
控制营养液的供给
B.
适当降低温度
C.
控制的CO2供给
D.
控制的O2供给

【多选题】秧苗烧根的表现()。

A.
根尖发黄,须根少而短
B.
不发根或很少发须根
C.
茎叶生长缓慢
D.
顶叶皱缩