1. The future of this coMPAny is _________: many of its talented employees are flowing into more profitable net-based businesses. [A]at odds [B]in trouble [C]in vain [D]at stake A. B. C. D. 2. Whoever formulated the theory of the origin of the universe, it is just _________ and needs proving. [A]spontaneous [B]hypothetical [C]intuitive [D]empirical A. B. C. D. 3. The introduction of gunpowder gradually made the bow and arrow _________, particularly in Western Europe. [A]obscure [B]obsolete [C]optional [D]overlapping A. B. C. D. 4. For three quarters of its span on Earth, life evolved almost _________ as microorganisms. [A]precisely [B]instantly [C]initially [D]exclusively A. B. C. D. 5. The authors of the United States Constitution attempted to establish an effective national government while preserving _________ for the states and liberty for individuals. [A]autonomy [B]dignity [C]monopoly [D]stabilit A. B. C. D. 题号正确答案1D 2B 3B 4D 5A
A. B. C. D.