《特种设备作业人员考核规则》规定，特种设备作业人员的考试成绩有效期为（）。
A.6个月
B.一年
C.二年
参考答案：B
根据汉语意思及首字母，写出下列单词的正确形式。
1. There are seven s__________(绵羊) on the hill.
2. We can see many a__________(动物) in the zoo.
3. Look at the b__________ (黑板) and listen to the teacher.
4. There aren't any boats on the r__________ (河).
5. My p__________ (父母亲) are at home. They love me.
饮在胸胁的是()
A.痰饮
B.悬饮
C.溢饮
D.支饮
E.水饮
