1. Alexander Hamilton was accused of being involved in a scheme to establish a separate nation in the western part of the United States.
(A)plot (B)decision (C)order
2. Estuaries(河口，江口) are extremely sensitive and ecologically important habitats, providing breeding and feeding grounds for many life forms.
(A)valuable (B)delicate (C)productive
3. In the Gothic(哥特式的)novel, emphasis is placed on setting and plot, rather than on character development.
(A) action (B) mystery (C) scene
4. A computer will always follow the same sequence when solving a problem, no matter how complicated that problem may be.
(A) imprint (B) definition (C) progression
5. The Celsius(摄氏的)scale, developed in 1742 by the Swedish scientist Anders Celsius, is the most widely used temperature scale in the world.
(A) rule (B) system (C) measure
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