A.clears up an education concept
B.reports a stunning discovery
C.emphasizes parents' responsibility
D.probes into a psychological issue
A.Amplitude.
B.Accessibility.
C.Integrity.
D.Authority.
A.serves as the White House's chief technology officer
B.sets up a company on the basis of government dam
C.sticks to the improvement of government dam sets
D.hires a group of experts on behalf of the government
A.The government should issue information about higher-paying vacancies.
B.It is impossible to include all kinds of professional skills in database.
C.Workforce should be prepared at any time for jobs in great need.
D.More information helps planners to connect workforce with positions.