※ [23~24]. ( 3 )
.
A. .
B..
C. .
D..
参考答案:D
A nine-year-old kid, waving ________, drove his family’s cows home
A.a stick of his half height
B.a half his height stick
C.a stick his half height
D.a stick half his height
在液化技术中,经常将临界参数作为选择液化温度和压力的依据。