将组织偏离平衡状态的钢加热到适当温度保温一段时间,然后慢慢冷却,以获得接 * * 衡状态组织的热处理工艺叫()
A.退火
B.正火
C.焠火
D.加热
参考答案:A
胎头枕骨持续位于母体骨盆后方者()
A.内出血
B.外出血
C.腹腔出血
D.颅内出血
E.血尿
句型转换。
1. There isn't anybody in the room. (改为同义句)
There ______ ______ in the room.
2. Her curly hair is brown. (就画线部分提问)
______ ______ is her curly hair?
3. The boy never stops playing with his pen.(变为一般疑问句)
______ the boy ______ ______playing with his pen?
4. Jim's parents have blue eyes. (就画线部分提问)
______ ______ Jim's parents ______ ______?
5. I have an English-Chinese dictionary. (就画线部分提问)
______ ______ you ______?