不定项选择

甲酸乙酯能进行自身的酯缩合反应‍
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A．正确
B．错误

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All temptations are beautiful, so it is a painful process to resist temptation. You must be unswerving, so that you can not forget your original intention and not be moved by temptation.

答案：正确

单项选择题

‏“靳三针”躯体类四肢部位穴组多包含五输穴、原穴、郄穴…等，其中“膝三针”：血海、梁丘、内外膝眼体现的应用‏

A．五输穴
B．原穴
C．郄穴
D．围刺法