搜题请搜索小程序“爱下问搜题”
问题
填空题
护士测量病人体温用的体温计是利用液体______的性质而制成的．
答案
护士测量病人体温用的体温计是利用液体热胀冷缩的性质制成的．
故答案为：热胀冷缩．
选择题
如图所示的四种现象中，属于光的折射现象的是[ ]
A.水中的倒影
B.透过树叶间的阳光
C.水中弯折的铅笔
D.物体的影子
查看答案
选择题
Although Linda was blind, she practiced ________ the piano very hard and later became a successful
pianist.
A. playing
B. to playing
C. to play
D. played
查看答案
