属于抗凝异常的实验室检查是
A．血vWF测定B．PF3有效性测定C．血栓素B2测定D．血PC测定E．血D-二聚体测定
参考答案：D
句子改错。（在横线上写出正确的句子。）
1. Does your father have computer?
________________________________________________________________________
2. Do you have more picture?
3. Does Akira have a baseball bats?
4. Do your friend like sports?
5.—Do you have a ping-pong bat? —No, I'm not.
膜迷路来于()
A．外胚层
B．中胚层
C．内胚层
D．外胚层和中胚层
E．中胚层和内胚层
