A.Other forms of energy have taken the place of human power.
B.The increased exploitation of workers in the 19th century.
C.The increased use of machines to make products in less time.
D.The use of machines producing parts of the same standard.
第1题
tick- tuck (为下列单词选择相对应的构词法)
A、Sound Reduplication
B、Coinage
C、Eponym
D、Clipping
第2题
Sound is produced by
A.vibrations of an object passing through the air.
B.spreading of waves after a rock being tossed into a pond.
C.thunders.
D.a flying plane.
第3题
____________,it was concluded that sound was produced by vibration.(test)
经过调查和测试得出声音是由振动产生的结论。
第4题
Sound is produced by
[A] vibrations of an object passing through the air.
[B] spreading of waves after a rock being tossed into a pond.
[C] thunders.
[D] a flying plane.
第5题
Give the phonetic term for each of the following descriptions.(北二外2006研) (1)the sound produced by the lower lip and the upper front teeth (2)the sound produced with a complete closure in the mouth so that the air stream cannot escape through the mouth
第6题
English diphthongs are divided into both falling diphthongs (the first vowel sound is pronounced longer, louder and stronger than the second one), and rising diphthongs (the second sound is produced longer and stronger than the first
第7题
第8题
A.An alveolar 齿槽音
B.A bilabial
C.A palatal
D.A dental
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