为了减少压力损失,喷嘴在流体流入的一面做成特殊型曲面和一段很短的()管段。
A、三角形
B、椭圆形
C、喇叭形
D、圆形
参考答案:D
言语性听觉失认()
A.听理解正常
B.可分辨言语性声音
C.阅读理解正常
D.书写正常
E.自发语言正常
Imports from Asian countries are more competitive than U.S. home-made products because of lower wages in Asia and the exemption of duties for imported goods shipped to the United States.
A.True
B.False