下牙槽神经阻滞麻醉时发生烦躁不安、多话思睡、循环衰竭等现象，可能是由于（） A．注射
题型：单项选择题
问题：
下牙槽神经阻滞麻醉时发生烦躁不安、多话思睡、循环衰竭等现象，可能是由于（）
A．注射点过高
B．针尖刺入过深
C．针尖刺入过前
D．针尖刺入过后
E．麻药注射入血管内
题型：单项选择题
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1. | John: Hello. Amy: Hi, John_____________. John: I'm doing my homework. Amy: __________________? John: It's rainy. How about New York? Amy:_____________. | |
2. | Visitor: Excuse me. ____________？ Chen: Look, it's on the second floor. This way, please. Visitor: And where is the art room? Chen: _____________. Visitor: Thank you. Chen: __________________. | |