再生障碍性贫血
A．球蛋白合成障碍B．DNA合成障碍C．血红素合成障碍D．铁利用障碍
参考答案：D
句型转换
1. Li Lin was born in Shanxi Province in 1982.(对画线部分提问)
____ was Li Lin born?
2. He could ride a bike to school when he was ten.(改为同义句)
He could ride a bike to school____ ten.
3. There is a basketball match in our city.(用tomorrow改写句子)
There a basketball match in our city tomorrow.
4. Liu Ming didn't finish his homework because he was il1.(对画线部分提问)
___ _____Liu Ming finish his homework?
5. Building that railroad was very difficult. (改为同义句)
____ very difficult ___ that rail road.
25岁，男性，牙冠切1/3横断，近中髓角暴露24h，无松动，口内余牙无异常。咬合关系正常。未检查出骨折，口内黏膜无创口。
经正确治疗后多少时间可做修复治疗（）
A．3d
B．5d
C．7d
D．9d
E．12d
牙冠切1/3横断，近中髓角暴露24h，无松动，口内余牙无异常。咬合关系正常。未检查出骨折，口内黏膜无创口。