活化的部分凝血活酶时间（APTT）延长见于下列哪种凝血因子缺乏（）
A.Ⅸ因子
B.Ⅴ因子
C.Ⅶ因子
D.Ⅱ因子
E.以上都不是
参考答案：A
翻译填空。
1. He is always_______ _____ (忙着做) his homework every evening.
2. I work very long hours in the evening, so I like to sleep ______ ______ ______ (长一点时间)
in the morning.
3. Tom________ ________ (练习弹) the guitar after breakfast every morning.
4. Do you want to _________ _________(了解) my morning?
5. I usually go to work__________ _________ (大约在) 7:00.
A．副线圈中电压表的读数为55V
B．副线圈中输出交流电的周期为0.01s
C．原线圈中电流表的读数为0.5A
D．原线圈中的输入功率为110W
W