Today it 1 have a bad reputation as a cause of addiction and obesity， but for a long time sugar was a luxury and 2 the opinion of the medical profession it still should be.
如书写和形态变化线索、词汇线索、句法线索、社会文化线索，并根据有关的线索进行猜测，作出合理的判断。如:And the clerk confirmed that his plane was leaving at nine o’clock three days from that day…
