问题
单项选择题
下列哪项特点不属于超声波
A.空化作用
B.微细按摩效应
C.声化效应
D.热效应
E.压力效应
答案
参考答案:E
下列哪项特点不属于超声波
A.空化作用
B.微细按摩效应
C.声化效应
D.热效应
E.压力效应
参考答案:E
选择适当的词填空,将其代码填在答题纸的横线上(每空1分,共10分)
A long time ago, a baby boy 5.________. His name was Jesus. He wasn’t born in a nice 6.________. He was born in a stable(马槽)! Jesus was a special baby. He came to the world to bring 7.________, peace and joy. He came to 8.________ people about God. At his birth, angels sang. Later, wise men brought him gifts. Today we 9.________ gifts to each other at 10.________ because of the wise men. |