关于根管口的解释,正确的是().
A.根管末端的开口处
B.髓室和根管交界的部分
C.髓腔中分叉的部位
D.髓腔的开口
E.侧支根管的开口
参考答案:B
根据首字母提示完成短文。
Hello! I'm Liu Ming. I like sports. I'm very 1. a___________. My 2. f___________ fruit is
strawberries.
I'm helpful 3. a___________ home. After school I can 4. c___________ the meals. I often
5. s___________ the floor and do the 6. d___________ on 7. F___________s. Today is Tuesday.
Tomorrow is 8. W___________. I always help my mother 9. s___________ the table and
10. w___________ the flowers.
()是按储存物资种类划分的仓库类别()
A.国家储备仓库
B.通用仓库
C.中转仓库
D.普通仓库