在黏重土或建筑道路附近可将种植穴挖成下部略大的梯台形穴,以利苗木根系伸展。( )
参考答案:对
根据短文回答下列问题。
Hi, this is Liu Yun. I'm going to have a busy weekend! On Saturday, I'm going to the bookstore by subway.
I'm going to buy a new CD and some story-books. Then, I'm going to go home and read the new books. On
Sunday, I'm going to the supermarket with my mother. We're going there after lunch. Then, in the evening, I'm
going to visit my aunt. We are going to watch TV together. That will be fun!
1. How is Liu Yun going to the bookstore?
2. What is she going to buy?
3. Where is she going after lunch on Sunday?
4. When is she going to visit her aunt?
5. Is Liu Yun going to have dinner with her aunt?
患者男性,16岁,1小时前牙外伤求诊。检查:冠1/3折未露髓,折断面敏感,叩诊(+),冷测一过性敏感
医生让患者去做X线片检查,目的是确定()。
A.髓腔大小
B.牙根长度
C.有无根折
D.牙周情况
E.根尖发育