题目

—             ?—He is heavy with broad shoulders.A: What is he?      B: How does he look like?  C: What does he look like? 答案：C24、水中的氧气进入鲫鱼体内的途径是（   ） A．水→口腔→鳃→血液                              B．水→鼻腔→鳃→血液 C．水→鳃→血液                                           D．水→鼻腔→口腔→血液