251.Bill is a(n) _____ role model for his classmates. He is hard-working and friendly.(A)various(B)p
252.The government official was said to send gifts and money to the judge, which really _____ the of
253.Electronic textbooks are about to replace paper ones; someday in the future, textbooks’ _____ ar
254.The country has been so much plagued by the nuclear leaks and trying to find out practical _____
255.The island was untouched and _____ developed before the unprecedented discovery of rare creature
256.All the students hold Mr. Chen in very high____ because of his unselfish dedication to education
257.The____ between a hero and a coward is that the latter always avoids his or her responsibilities
258.It is relatively easy to____ one’s mother tongue. A second language, however, is another story.(
259.With advanced farming skills and a profound knowledge of math and architecture, the Egyptians ha
260.This course will offer students a solid ____ in research. It is highly recommended for those who
261.____ people are more welcome than proud ones. No one likes people who always boast about their a
262.As ____ the president’s plan to make rich people pay higher taxes, many people think this policy
263.Both David and Tina scored high on the English exam. They got a score of 99 and a perfect score_
266.With a good command of both Chinese and English, Miss Lin was ____ the task of oral interpretati
268.The sorrowful and dark images created in the novel____ the novelist’s struggles and despair in r
269.Scientists in Antarctica have difficulty____ individual penguins because they look very much ali
270.It’s conventional ____ that we shouldn’t go swimming after eating a big meal.(A) goal(B) wisdom(
271.Even though a lot of research has been conducted to unveil the mystery, whether there are aliens
272.The conservation of energy is of great ____ to all human beings on earth.(A) acquisition(B) sign