21、Last week，Zhang Ting made a survey（調(diào)查）of the fire hottest future jobs among the students in her school．The following diagram shows the result．

1．The diagram shows the survey result of the five hottest               in Zhang Ting's school．

A．jobs                     B．subjects               C．sports                  D．teachers

2．About 200 students want to be               ．

A．computer engineers                                   B．managers

C．drivers                                                    D．doctors

3．The number of the students who want to be teachers is tile         ．

A．highest                B．least                    C．smallest                 D．lowest

4．How many students want to he drivers?

A．150                     B．200                     C．300                       D．470

5．According to the survey, which of the following is TRUE?

A．The most students would like to be doctors．

B．The fewest students would like to be managers．

C．Fewer students would like to be computer engineers than doctors．

       D．More students would like to be drivers than teachers．