问题
填空题
电凝止血的原理是______________________。
答案
参考答案：电热作用使血液凝结
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电凝止血的原理是______________________。
参考答案：电热作用使血液凝结
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| There are many holidays all around a year. But do you know there l two special days for mothers and fathers? Yes, they are Mother's Day and Father's Day. 2 Day is on the second Sunday 3 May. On that day, mothers can get greeting cards and gifts from their husbands and 4 . But for most mothers the 5 gift is a day of rest. Some families 6 mothers to a restaurant 7 dinner. In some 8 the husband and children cook meals a whole day and mum is free 9 the kitchen. 10 are also good gifts for mothers. Father's Day is alike. It's on the third Sunday in June. |
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