问题
填空题
孕期从未次月经来潮第一天算起,经______天,便要分娩。预产期的推算,一般从末次月经第一天算起,以该月份数加______或减3,阳历日数加______、阴历日数加______即为预产期。
答案
参考答案:280 9 7 14
孕期从未次月经来潮第一天算起,经______天,便要分娩。预产期的推算,一般从末次月经第一天算起,以该月份数加______或减3,阳历日数加______、阴历日数加______即为预产期。
参考答案:280 9 7 14
从方框中选择合适的单词或词组填空。 | |
![]() 2. _______ the teacher, I feel the importance of learning. 3. Please sing an English song _______ me. 4. There was a ________ of people in front of th ![]() 5. I have an ________ with Mr. Brown. |