[单项选择]A, role B. hero C. character D. person

[单项选择]The principal character in opposition to the hero or heroin of a narrative or drama is called a(n) ______.
A. rival
B. protagonist
C. antagonist
D. opponent

[单项选择]ROLE: UNDERSTUDY::
A. (A) chairman : general
B. (B) lawyer : magistrate
C. (C) position : benchwarmer
D. (D) physician : sufferer
E. (E) employer : employee

[单项选择]Nightingale played a great role in
A. the building of war hospitals.
B. the education of women.
C. the development of nursing.
D. the improvement of working conditions for women.

[单项选择]Governments today play an increasingly larger role in the ______ of welfare, economics, and education.
A. scopes
B. ranges
C. ranks
D. domains

[单项选择]Polarized light is a probably phenomenon characterized by its ______.
A. rotational symmetry.
B. charged particles.
C. radiation flashes.
D. frequent twists.

[单项选择]The character armor consists of defensive character traits, like arrogance or apprehensiveness, that developed in childhood to ______ painful feelings.
A. turn aside
B. ward off
C. bread up
D. watch over

[单项选择]Towards the role the Scientific establishment is playing the author's attitude is that of ________.
A. criticism
B. approval
C. tolerance
D. apprehension

[单项选择]The service role of colleges specifically aims to
A. improve services.
B. serve the community.
C. provide skills for future use.
D. make graduates employable.

[单项选择]The role of the body clock is to

[单项选择]Towards the role the scientific establishment is playing the author's attitude is that of ______.
A. criticism
B. approval
C. tolerance
D. apprehension

[单项选择]What important role did the diary really play
A. It corrected injustice.
B. It was as vivid as the movie "Titanic".
C. It proved what Masabumi said was true.
D. It made the Japanese believe what Masabumi had said.

[多项选择]Whitch two statements are true regarding the role of the Routing Engine (RE)? （）
A. The RE controls and monitors the chassis
B. The RE manages the Packet Forwarding Engine (PFE)
C. The RE receives a copy of the forwarding table from the forwarding plane
D. The RE implements class of service (COS)

[单项选择] Examine these statements: CREATE ROLE registrar GRANT UPDATE ON dtudent_grades TO registrar; GRANT registrar to user1, user2, user3; What does this set of SQL statements do?（）
A. The set of statements contains an error and does not work.
B. It creates a role called REGISTRAR, adds the MODIFY privilege on the STUDENT_GRADES object to the role, and gives the REGISTRAR role to three users.
C. It creates a role called REGISTRAR, adds the UPDATE privilege on the STUDENT_GRADES object to the role, and gives the REGISTRAR role to three users.
D. It creates a role called REGISTRAR, adds the UPDATE privilege on the STUDENT_GRADES object to the role, and creates three users with the role.
E. It creates a role called REGISTRAR, adds the UPDATE privilege on three users, and gives the REGISTRAR role to the STUDENT_GRADES object.
F. It creates a role called STUDENT_GRADES, adds the UPDATE privilege on three users, and gives the UPDATE role to the registrar.