水泥砂浆地面起砂的防治措施中，也可以用纯水泥浆罩面的方法进行_爱下问搜题

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问题单项选择题

水泥砂浆地面起砂的防治措施中，也可以用纯水泥浆罩面的方法进行修补，其操作顺序是（）。

A.清理基层→充分冲洗湿润→铺设纯水泥浆（或撒干水泥面）1～2m→压光2～3遍→养护

B.清理基层→充分冲洗湿润→铺设纯水泥浆（或撒干水泥面）1～2m→压光1～2遍→养护

C.清理基层→充分冲洗湿润→压光2～3遍→铺设纯水泥浆（或撒干水泥面）1～2m→养护

D.清理基层→铺设纯水泥浆（或撒干水泥面）1～2m→压光2～3遍→养护

答案

参考答案：A

解析：

小面积起砂且不严重时，可用磨石将起砂部分水磨，直至露出坚硬的表面。也可以以用纯水泥浆罩面的方法进行修补，其操作顺序是：清理基层→充分冲洗湿润→铺设纯水泥浆（或撒干水泥面）1～2m→压光2～3遍→养护。如表面不光滑，还可水磨一遍。

完形填空

When I was young, I always helped my grandfather in the fields. As I worked beside him, he ____ to tell a story about a man named Joe, and his wife, who moved to a new farm with their three sons. They were setting into the new place ____ a nearby farmer told Joe that there was gold in the earth. Joe was very____, and told his sons about it.
They began to dig in one corner, and they got to the end of the field. At the same time, Joe thought he would ____ some crops where the earth had been ____. The plants included corn, tomatoes, potatoes, etc. His sons continued to dig through the soil, made up their mind to find the gold. Since ____ soil was being turned, Joe could plant more crops. Joe had never farmed before, but it had always been his ____.
As different crops came ready to be harvested, Joe started to _____ that there were more vegetables than he and his family could ever ___. One of Joe’s neighbors suggested that he ____ a vegetable shop. Joe and his wife did that very thing. They called it Joe and Family Vegetable. Joe even had to leave some crops in the fields _____ he had more than enough to supply the vegetable shop. This went on for years, and Joe and his wife became quite _____ from their little vegetable shop. They were even able to ____ their sons to college.
Remember the beginning of the story, when Joe was told by his new neighbor that there was gold in the land? Well, Joe’s ___ of the English language was less than perfect. His new neighbor friend actually meant that his land had rich ____. So you can see where the meaning of gold comes from.

A．understanding

单项选择题 B1型题

手三阳经的走向是（）

A.从胸走手

B.从手走头

C.从头走足

D.从足走腹

E.从手走胸