第12题: [单项选择]渗透液的综合性能有（） A. 挥发性 B. 闪点和燃点 C. 粘度 D. 渗透力 参考答案:D
第13题: [单项选择]人体不同组织回声强度顺序哪些是正确的 A. 肾中央区(肾窦)＞肝、脾实质＞胰腺＞肾髓质(肾锥体)＞血液＞胆汁和尿液 B. 肾中央区(肾窦)＞胰腺＞肾髓质(肾锥体)>肝、脾实质＞肾皮质＞血液＞胆汁和尿液 C. 肾中央区(肾窦)>胰腺＞肝、脾实质＞肾皮质＞肾髓质(肾锥体)＞血液＞胆汁和尿液 D. 肾中央区(肾窦)＞肾皮质＞肾髓质(肾锥体)＞胰腺＞肝、脾实质＞血液＞胆汁和尿液 E. 肝、脾实质＞肾皮质＞肾髓质(肾锥体)＞肾中央区(肾窦)＞胰腺＞血液＞胆汁和尿液 参考答案:C
第31题: [单项选择]What does the woman think of the swimming lessons A. He has a friend who majored in hotel management. B. He hasn’t taken more than one hotel management course. C. He’s been learning a lot this year, too. D. He couldn’t make any sense out of this course. 参考答案:B 答案解析:[听力原文] W: I’m learning a lot in my hotel management class. Have you ever taken any courses in tha
