Bolivia has a population three and a half million . About one tenth of the total population are white ; one-fourth are mixed Indians and white ; and more than half are full-blooded Indians . The government and the industries are under the control of the white people .

The Indians today live in much the same way as their ancestors . Most of them are farmers . Many work in the mines , for mining is the most important industry on Bolivia’s . Of all the mining products , tin is the most important , which makes up three-fourths of all Bolivia’s exports . The eastern slopes of the Andes , since there are very few roads there , are fertile but not highly developed . The two primary means of transportation are river boats and porters . East of the hill region are the great plains where tropical plants are grown . A serious problem for Bolivia is the transport of food from the warm regions , where it is grown to the mountainous regions , where most of the people live .

Bolivia gained its independence from Spain about a hundred years ago . It has been slow in developing , but its rich resources promise a better future in it .

小题1:The majority of the Bolivian population are        .

A．full-blooded Indians

B．mixed Indian and white

C．white citizens

D．all whites and mixed-blooded people小题2:The Indian’s way of life today is       

A．quite different from that of their ancestors

B．quite interesting

C．almost the same as their ancestors’

D．very exciting小题3:The main product Bolivia exports is       

A．tropical plants

B．gold and silver

C．tin

D．food小题4:Bolivia has been slow in developing , but it has hope for a better future because of its        .

A．mining products

B．rich resources

C．independence from Spain

D．two primary means of transportation