患儿,9岁,右下后牙肿痛。检查:右下第二乳磨牙冠大部分破坏,龋洞较深,叩诊(+),松动Ⅱ度。颊侧牙龈处有0.5mm×0.5mm脓肿。X线片示:牙根吸收1/3,根分歧有低密度影。右下第二前磨牙牙根形成2/3。 本病例的诊断是
A. 慢性根尖炎急性发作 B.根尖周脓肿
B. 根吸收
C. 深龋
D. 慢性牙髓炎急性发作
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阅读下面的宋词,然后回答问题。昭君怨郑域道是花来春未,道是雪来香异。竹外一枝斜,野人家。冷落竹篱茅舍,富贵玉堂琼榭。两地不同栽,一般开。 上阕吟咏的对象是什么你判断的依据是什么?
Questions 11 to 18 are based on the conversation you have just heard.
A. Collect papers for the man.
B. Check the paper for typing errors.
C. Do the typing once again.
D. Read the whole newspaper.
Questions 11 to 18 are based on the conversation you have just heard.
A. The man’s daughter’s educational expenses.
B. The woman’s daughter’s educational expenses.
C. The man’s daughter’s lack of money.
D. The woman’ s daughter’ s laziness.
[A] Thank you for(your)calling.[B] Shall we meet at 3:00 at the gate[C] OK, that’s fine.[D] Hi! Can I speak to Tom[E] What’s the time, please[F] Yes, I’ll be free.[G] When and where shall we meet Let’s meet at 3:00 at the gate.