Q: the greater area of chongqing is home to some 34 million people, and is situated where the yangtze and jialing rivers meet.
A: The greater area of Chongqing is home to some 34 million people, and is situated where the Yangtze and Jialing rivers meet.

Q: dehydration, acid-base imbalances, and electrolyte imbalances are common in cases with chronic vomiting.
A: Dehydration, acid-base imbalances, and electrolyte imbalances are common in cases with chronic vomiting.

Q: race against 3 other characters for the column
A: Race against 3 other characters for the column

Q: let's look at some typical examples.
A:
Let's look at some typical examples.