近一段时期以来,甲流的集中爆发和市场供应不足拉升山东大蒜价格,与去年相比价格飙升40倍。从这里可以看出,影响价格的直接因素是 ( )
A.价值
B.甲流
C.供应量
D.时间
答案:C
根据句意及所给汉语意思,完成句子。
1. My father ______ (对……感到满意) my good results at school.
2. We will ______ (轮流) to clean our classroom.
3. You can ______ (打电话给) me if you get to Fuzhou. I will meet you.
4. Our math teacher is very patient and explains things to us _____. (一次又一次).
5. ______ (别急)! We will help you.
下列哪项不是影响咬合力的因素()
A.性别、年龄
B.釉质钙化的程度
C.咀嚼习惯
D.力线的方向
E.张口距离