问题
单项选择题
患儿8岁,前牙深覆合,第一恒磨牙萌出2/3,应重点防治哪个牙齿
A.第一乳磨牙
B.第二乳磨牙
C.尖牙
D.第一恒磨牙
E.第二恒磨牙
答案
参考答案:D
患儿8岁,前牙深覆合,第一恒磨牙萌出2/3,应重点防治哪个牙齿
A.第一乳磨牙
B.第二乳磨牙
C.尖牙
D.第一恒磨牙
E.第二恒磨牙
参考答案:D
从方框中选择适当的选项补全对话,并将其字母标号填在横线上。其中有两项是多余的。
B: This is a picture of Tom and his family. A: 小题2: B: Yes. He is eleven years old. He is my classmate. A: Is the man his father? B: Yes. He is a worker. 小题3: A: Is this woman his mother? B: 小题4: A: Has he got any sisters or brothers? B: Yes, he has got a sister. And he also has two brothers. A: How old is his sister? B: 小题5: And his brothers are 8 years old. A: So there are five people in the family. B: Yes, it’s a big family. |