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【单选题】
有关食物链和食物网的叙述中，正确的是（ ）A.
处于食物链第一环节的生物是植物
B.
食物链和食物网中能量是循环流动的
C.
沿食物链和食物网流动的能量最终来源于植物
D.
位于食物链或食物网越后端的生物数量越多
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举一反三
【单选题】She hardly ever eats ______ potatoes.
A.
or bread or
B.
both bread or
C.
bread or
D.
neither bread or
【单选题】She hardly ever eats ______ potatoes.
A.
bread not
B.
bread or
C.
neither bread or
D.
neither bread nor
【单选题】听力原文：W: Would you like some bread? M: No, thank you. I'm not used to eating bread in the morning. Q: What axe the two speakers doing now? (8)
A.
They are having breakfast.
B.
They are eating some fruit.
C.
They are preparing hot soup.
D.
They are drinking cold milk.
【单选题】—How much bread would you like? —__________. [ ]
A.
Three piece of breads
B.
Three pieces of bread
C.
Three pieces of breads
D.
Three piece of bread
【单选题】_____ and butter ____ the daily food in west countries. A．The bread; areB．Bread; isC．Both bread;
A.
48. _____ and butter ____ the daily food in west countries. A．The bread; are
B.
Bread; is
C.
Both bread; is
D.
Many bread; are
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