A. heat them to attract neighbours' attention

B. kept watering them every morning

C. talked to them to get their attention

D. paid little attention to them

2. What does the underlined word "Adversity" mean in the fifth paragraph?

A. Bad weather B. Enough care or attention.

C. Difficult living conditions. D. Lack of damp.

3. Which prayer does the author wish for his sons?

A. Have an easy life, without too much to worry about.

B. Be able to stand the rain and wind in their lives.

　　C. Have good luck, encountering less hardship in their life.

D. Meet people like Dr Gibbs in the future.

Searching for airfares often seems like a game that passengers are bound to lose. Prices change from day to day, even minute to minute. Looking through multiple websites for the best deal can be a big challenge. Even when you do book, there's no guarantee that you are going to get the best price.

"You just don't know when to make a deal. It's not like buying anything else I can think of," said George Hobica, founder of Airfarewatchdog. com.

Harriet Levy paid $179 for a recent round-trip flight on American Airlines between New York and Fort Lauderdale, Florida. Sitting just one row behind her, Shirley Harrison paid $ 215. A few rows back, Ellis and Dianne Traub paid $ 317 each. There were at least 12 fares on the flight, ranging from $169 to $360. There's no reason for it, Harrison said.

Fares can change significantly in just a few hours. One Delta flight from New York to Los Angeles jumped from $ 755 to $1,143 from a Friday to Saturday in late April, then fell to $ 718 on Sunday. The flight was one of a dozen the Associated Press followed over three months for a vacation between July 16 and 22. The number one finding: avoid booking tickets on weekends. It's the most expensive time to buy.

There's no way to guarantee the best fare. But before booking, travelers should pay attention