简述宫缩乏力的处理方法。
参考答案:
①按摩子宫,使用宫缩剂;
②宫腔填塞;
③子宫动脉结扎或髂内动脉结扎;
④子宫切除;
先张法预制梁在混凝土浇筑完( ),将胶囊气抽走,洗净灰浆以备再用。
A.2~4h
B.4~6h
C.6~8h
D.8~10h
近来某网站对人们外出旅游的频率和目的进行了一次问卷调查,结果见下图。请根据图表提供的信息用英语写一篇短文,介绍图表所示此次调查结果,并谈谈你自己外出旅游的目的。词数100字左右。文章的开头已经给出。
表1 表2
Recently an online survey on traveling has been conducted. In the survey, people are asked about how often and why they travel, and the results are as follows.
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