人的胚胎发育过程

I didn't visit the farm last Sunday,I went shopping that day.这句话有错吗这句话到底有没有错,visit啊要变成过去时的啊 Jack___(不是)at home last Sunday,he went to visit his grandparents 深圳干燥剂找东莞豪盛干燥剂厂 TEL：0769-85022379 13428416788 — Could you do some shopping on the way back home this afternoon?— I'd ___ to. 卜算子 咏梅陆游用梅花象征着____________的气节,抒发了自己________________情感. 陆游的《卜算子 咏梅》表现梅花具有坚贞不屈的品质的句子是什么? big 拥抱大白熊 BEAR HUG怎么样 英语翻译We will be sharing a room的翻译 on bones 怎么翻译? there are many ways for you to exercise .什么意思 简单的电路计算.红色地方没有求电流 电路很简单的运算求阻值为2千偶.额定功率为1/4 瓦的电阻器所允许的工作电流以及电压 What's your greatest achievement in your campus? there are many other ways to learn English （ ） （除了） reading aloud. 应该用哪个“除了”? 小型自来水厂日常运行需要哪些人员 作为水厂工作人员,水管爆管怎么处理? 速断电流 计算请问电流继电器 阿继产的DL-31 怎样根据负荷调整速断定值 有公式么?例如 馈线柜的电流表显示的是55A,负荷在1000KW左右假如互感器变比为200/5 那么是不是应该用55/200*5的计算结 镀膜玻璃膜面朝向 英语 任务型阅读 Stress is not ever fun to deal with.There are several ways to reduce it,Stress is not ever fun to deal with.There are several ways to reduce it,including improving diet,getting more sleep,and exercising.However,have you ever th 二氧化碳增加,珊瑚(碳酸钙)被海水侵蚀,为什么? 知人者,自知者 下一句是什么? 那位能给一点关于“知人难,自知易”的辩论材料?这是一个辩论的命题 那位高人能给找点材料 给点辩论的思路和论证 越多越好! 自知者智,知人者明,可以这样说吗? Despite the drop in stocks in Hong Kong,South Korea,Singapore,the Philippines and India,the mainland is very unlikely to experience a bear hug,analysts say.bear 蛋糕卷的时候为什么会断 Ben is my good friend.we like to share food _____each other.是between还是w My good friend want to share joys and sorrows with me.这句子有错误的地方吗?给我说说句子有没有错,有错又错在哪里…谢谢 happy things ,share ,sad things,each other,good friends,with ,and连词成句 A good friend should share his joy with others.划线部分提问：share his joy with others There are many ( ) (language) in the world根据单词的适当形式填空 放香草粉多了蛋糕为什么不发