题目
A.Isotactic and syndiotactic polymers possess stereo-regular structures
B.Atactic and isotactic polymers possess stereo-regular structures
C.Isotactic and syndiotactic polymers are rigid, crystallizable, high melting, and relatively insoluble
D.Atactic polymers are rigid, crystallizable, high melting, and relatively insoluble
第3题
Which one is Shakespeare's longest play?
A Hamlet
B Henry VIII
C Romeo and Juliet
D The Merchant of Venice
第4题
A.New York City.
B.Washington.
C.FloridA
D.Chicago.
第5题
Which of the following is not associated with mountain?
A.spiritual transcendence
B.purification of one’s mind
C.God’s grace
D.renunciation of worldly desires
第6题
An overtaking situation at night would be one in which one vessel sees which light(s) of a vessel ahead ?______.
A.Masthead lights and sidelights
B.One sidelight, the masthead lights and stern-light
C.Both sidelights
D.Stern-light
第8题
A.Romeo and Juliet
B.King Lear
C.Hamlet
D.Othello
第9题
A. The Verge
B. Alison's House
C. Fidelity
D. Trifles
第10题
Which one is NOT likely to be involved in normal hotels:
A.Health spas & fitness centers
B.Beauty salons & wellness treatment centers
C.Convalescent home
D.Children’s playrooms and assorted facilities
第11题
In the following kinds of graphs, which one's adjacency matrix is symmetric?
A.Directed graph
B.Undirected graph
C.AOV network
D.AOE network
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