重度高血压患者可出现哪种分裂
A．S1分裂B．S2生理分裂C．S2通常分裂D．S2固定分裂E．S2反常分裂
参考答案：E
根据首字母填空。
1. Han Hong sings very well. She is a f______ singer.
2. The doctor is looking at my mouth, he is a d_______.
3. His father is always doing experiments. He is a s_______.
4. We are p______ of our country.
5. Lucy r______ a lot of support from her friends.
用划针盘划线时，应使划针基本处于（）。
A、0°
B、30°
C、60°
D、90°
