71.  in China, most people live mainly on wheat and rice .

72.  in the northeast, people grow wheat .

73.  People grow rice.

74.  the people in Hong Kong lived opulent.

75.  she made poem is Jin Liy, which persuaded people to make progress.

76.  It has become a very important part in the people's life.

77.  Other people feel that television is bad for children.

78.  Children of three to five need to study their own language and talk with people.

79.  which language is spoken by the largest number of people in the world?

80.  There are 1.1 billion people in China, Many of them is very poor.