【简答题】Once a month,just after sunset, trucks fill an outdoor parking lot in Los Angeles, California.Some trucks sell all kinds of food. Others have clothing for sale. These are known as fashion (时尚)trucks. ...
【简答题】In 1939 two brothers, Mac and Dick McDonald, started a drive-in restaurant in San Bernadino, California. They carefully chose a busy corner for their location. They had run their own businesses for ye...
【简答题】Math is one of the most boring classes for many students. But recently, at the University of California in the US, a class got 400 students interested. There were even another 35 from behind windows. ...