施工平面图中标注的尺寸与标高只有数值不写单位,按国家制图标准规定其单位应是()。
A.mm与mm
B.mm与cm
C.cm与m
D.mm与m
参考答案:D
根据短文内容及首字母提示,填写所缺单词,使短文意思完整。
My family went to a restaurant for dinner one night. When we were walking to the restaurant from our car, a girl about my age and her mother c 小题1: towards us. They asked if we had any m 小题2: .My mom asked where they were l 小题3: . The girl said there were six of them staying in an o 小题4: black car. My mom gave them a few dollars. Then she sent me inside the restaurant w 小题5: my dad and my three sisters. H 小题6: ,my mom didn’t come. Later, I found out that she had gone h 小题7: and put all the food in our cupboard into a few bags. Then she brought that food over to the car and gave the bags to the poor f 小题8: . I wasn’t there when that part happened, yet I can i 小题9: the joy on their faces. After painting this picture in my mind, I understood w 小题10: my mom had done what she did that night. I will never forget this lesson in kindness from my mom.
海区航标分为()、()和()。