【简答题】The red words____ against the white wall. A) stand by B) stand for C) stand out D)stand back 2. Since 1970s this small town has gradually been _____ into a huge modern c...
【简答题】Since 1940 the chemical industry has grown at a remarkable rate, although this has slowed significantly in recent years. The lion’s share of this growth has been in the organic chemicals sector due to...
【判断题】U402 This is a unique phenomenon in US that with the increase of their income the percentage of people who feel happy has fallen slightly since the early 1970s.