某单位组织参加理论学习的党员和入党积极分子进行分组讨论，如果每组分配7名党员和3名入党积极分子，则还剩下4名党员未安排；如果每组分配5名党员和2名入党积极分子，则还剩下2名党员未安排。问参加理论学习的党员比入党积极分子多多少人（）
A．16
B．20
C．24
D．28
参考答案：B
解析：
设党员的人数为x，积极分子的人数为y。由题可知
解得x=32，y=12。则党员比积极分子多32-12=20人。
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| A London family were enjoying an unusual holiday in Iceland last month when things went very wrong. Anne, Ben and their two children, Claire and Sam, __1__ died in freezing water. The accident happened while the family were visiting a glacier (冰河). It is a beautiful place. __2__ were walking along the edge of the ice when suddenly they fell off the ice __3__ the cold water. Ben __4__ a cry for help and ran to see what was happening. "I found my wife and children in the ice water. And then my wife Anne just sank (沉没) __5__ the ice. It was terrible." Ben __6__ his children from the water, but when he went to save his wife, he fell in, too, as he was trying to __7__ Anne. __8__ when he was in the water, he went all out to catch hold of Anne and helped her out of the water." Her face was blue. __9__ was really frightening." Anne spent three days in hospital there before the family __10__. And what are their plans for their next holiday? | ||||
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