To pronounce /n/ and / ŋ /, we both need to raise our tongue tip to the roof of the mouth.
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To make /n/, the air goes through the nasal cavity, while to make /l/, the air goes through the mouth.
A. 对
B. 错
The nasal sounds in all of the following words are /ŋ/.1)thank2) king3) thing4) done
A. 对
B. 错
WorldFIP采用了三层结构:物理层、数据链路层和网络层。
A. 对
B. 错
连接到WorldFIP总线上的站点可以同时具备向总线发布/从总线接收信息两种功能,但在任何一个给定的时刻,整个网络上只能有一个站点执行总线仲裁功能。
A. 对
B. 错