【題組】40. Why was Towne’s early work with stimulated emission done with microwaves?(A) He was not conc
【題組】41. In his research at Columbia University, Charles Townes worked with all of the followingEXCEP
【題組】43. The word “emerged” is closest in meaning to ______.(A) increased (B) concluded (C) succeeded
【題組】44. The word “outlining” is closest in meaning to ______.(A) assigning (B) studying (C) checking
【題組】45. Why do people still argue about who deserves the credit for the concept of the laser?(A) The
Passage 2LifeLife originated in the early seas less than a billion years after the Earth was formed.
【題組】47. According to the passage, what happened about 400 million years ago?(A) Many terrestrial lif
【題組】48. Which of the following resulted from the discovery of microscopic fossils?(A) The time estim
【題組】49. With which of the following conclusions would the author probably agree?(A) The evolution of
【題組】50. The word “entombed” is closest in meaning to______ .(A) crushed (B) trapped (C) produced (D)
1. Television advertisers may be _____ to sponsor a program that deals with controversial socialissu
2. It’s embarrassing if your stomach _____ during class.(A) sweats (B) frowns (C) sneezes (D) rumble
3. His poor health _____ him to resign from his job.(A) treasured (B) composed (C) compelled (D) val
4. Techniques that create an atmosphere of suspense are commonly used by film-makers to _____their a
5. Scarlet is to a color as warm-blooded is to _____.(A) a vegetable (B) a celestial body (C) a fabr
6. All life forms, even such long-lasting ones as blue-green algae and horseshoe crabs and crocodile
7. The world of things is often subject _____ returns. In contrast, the world of ideas is not: the e
8. If you say the world will go on getting better, you are considered mad. If you say catastrophe is
9. How one sows, so shall he reap.(A) implement (B) harvest (C) construct (D) establish (E) implicat
10. Many critics agreed that by and large, this movie was a success in terms of acting and photograp
11. The advantage of the latest model will manifest itself in improved efficiency and protection ofe
12. Moderate and regular exercise can boost the rate of blood circulation and metabolism.(A) restric