the place where the airstream obstruction occurs
the part of tongue that is the highest
openness of the mouth
the length of the sound
第1题:
The challenge that newspapers faced from the website is______.
A.the display ads and the classified ads
B.the classified ads and the small text-ads
C.the small text-ads that appear alongside search engines
D.the localization of website and more elaborate service
第2题:
第3题:
●Communication networks can be classified in terms of their physical arrangement or (73) Three common (73) are the star,bus,and ring.
(73) A.structures
B.topologies
C.protocols
D.frames
第4题:
第5题:
第6题:
第7题:
第8题:
Communication networks can be classified in terms of their physical arrangement or(74). Three common(74)are the star, bus, and ring.
A.structures
B.topologies
C.protocols
D.frames
第9题:
第10题:
Consonants vary depending on where and how the air stream gets through, the place and movement of the tongue, and also whether the voice is used or not.()
A对
B错