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问题 填空题

互质的两个合数，他们的最小公倍数是700，这两个数是______．

答案

把700分解质因数：

700=2×2×5×5×7，

其中2×2=4，5×5×7=175．

答：这两个数是4和175．

故答案为：4和175．

阅读理解

根据短文，判断正(√)误(×)。

        Many years ago,there was an old man in New York. He didn't like children at all. But he  liked cats

very much. He had black cats and white cats. He had mother cats and baby cats. So children often came

to his house. They came to play with cats. More and more cats came to the old man's house. The old man couldn't give the cats much food. So he gave each child a cat. The children were very happy. The old man was very happy, too.

( ) 1. The old man came from America.

(     ) 2. The old man liked children very much.

(     ) 3. The old man had many cats.

( ) 4. The old man didn't have much food for the cats.

( ) 5. Each child had got a cat at last.
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单项选择题 A1型题

地中海贫血患者反复输血的主要并发症是（）

A.凝血功能障碍

B.病毒感染

C.含铁血黄素沉着症

D.血小板减少

E.过敏反应
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