“高声呼叫”和“低声细语”这里“高”和“低”指的是[ ]
A．音色的好坏
B．响度的大小
C．音调的高低
D．上述说法都不对
答案：B
根据释义及首字母提示， 完成下列单词。
1. c______: quiet; not excited; not showing fear
2. p______: favored by many people; well liked
3. v______: opinion; idea
4. b______: the two; the one and also the other
5. o______: facing; different
下列哪项不是咯血的特点
A．喉样咳嗽B．血呈酸性C．咳出D．多无黑便E．血内混有痰
