问题
单项选择题 A1/A2型题
下列可提供能量的营养成分是（）。
A.果胶
B.纤维素
C.氨基酸
D.甲壳多糖
E.半乳聚糖
答案
参考答案：E
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下列可提供能量的营养成分是（）。
A.果胶
B.纤维素
C.氨基酸
D.甲壳多糖
E.半乳聚糖
参考答案：E
| 完形填空。 | |||
| Long, long ago, there lived many mice in an old house. They were free to do 1 . They ate up a lot of food. So 2 owner of the house wanted to stop the mice 3 food. He got a cat. 4 ,some of the mice were killed. One day one of the oldest mice said, " All the mice 5 come to my hole tonight, and we'll decide 6 next about the cat." Each of the mice arrived. They thought 7 and did what they could to find a way to save their 8 .They spoke, sitting face to face, but none of them had an idea. Finally a young mouse stood up and said, " Why 9 tie (拴) a bell 10 the cat's neck? Then, 11 the cat comes close, we will hear the bell and 12 .Then the cat won't 13 catch any more of us." "It 14 good! Who can do it?" the oldest mouse asked. At this very moment the hole was quiet and no one answered. At last he said," It's 15 to say than to do. " | |||
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