单选题I am not ______ with my roommate but I have to share the room with her, because I have nowhere else to live.

单选题The authors of the United States Constitution attempted to establish an effective national government while preserving ______ for the states and liberty for individuals.

单选题In the type of______radio receivers, a signal is transmitted upward or downward in frequency.

单选题He had no choice but______to his words.

单选题Everyone who has visited the city agrees that it is______with life.

单选题Analogic change refers to the reduction of the number of exceptional or irregular morphemes. (对外经贸2005研)

单选题I made______use of my spare time, mixing with a lot of people and practicing my English.

单选题The research purposes of sociolinguistics include all the following EXCEPT .

单选题A foolish consistency is the hobgoblin of little minds, adored by little statesmen and philosophers and divines. With consistency a great soul has simply nothing to do. . . Speak what you think today in words as hard as cannon balls, and tomorrow speak what tomorrow thinks in hard words again, though it contradict everything you said today.The following selection is from Emerson" s work entitled______.

单选题Which of the following is NOT a main branch of general linguistics?

单选题A The above is the most important aspect B which apes C can be told from more D primitive social groupings.

单选题______were the ancestors of the English and the founders of England.

单选题Whenever we (hear of) a natural disaster

单选题Compound words consist of______ morphemes. (北二外2003研)

单选题A In the diet of B most Northern Europeans, the potato is a C more usual source of starch D as rice.

单选题Dickens takes the sinister aspect of the British legal system as the theme of his novel______

单选题The author seems to believe the revival of the U.S. economy in the 1990s can be attributed to the ______.

单选题Merchant of Venice shows the achievements made in______.

单选题 Research on animal intelligence always makes us wonder just how smart humans are. {{U}}(1) {{/U}}the fruit-fly experiments described by Carl Zimmer in the Science Times. Fruit flies who were taught to be smarter than the average fruit fly{{U}} (2) {{/U}}to live shorter lives. This suggests that{{U}} (3) {{/U}}bulbs burn longer, that there is a(n){{U}} (4) {{/U}}in not being too bright. Intelligence, it{{U}} (5) {{/U}}, is a high-priced option. It takes more upkeep, burns more fuel and is slow{{U}} (6) {{/U}}the starting line because it depends on learning — a(n){{U}} (7) {{/U}}process — instead of instinct. Plenty of other species are able to learn, and one of the things they've apparently learned is when to{{U}} (8) {{/U}}. Is there an adaptive value to{{U}} (9) {{/U}}intelligence? That's the question behind this new research. Instead of casting a wistful glance{{U}} (10) {{/U}}at all the species we've left in the dust I.Q.-wise, it implicitly asks what the real{{U}} (11) {{/U}}of our own intelligence might be. This is{{U}} (12) {{/U}}the mind of every animal we've ever met. Research on animal intelligence also makes us wonder what experiments animals would{{U}} (13) {{/U}}on humans if they had the chance. Every cat with an owner, {{U}}(14) {{/U}}, is running a small-scale study in operant conditioning. We believe that{{U}} (15) {{/U}}animals ran the labs, they would test us to{{U}} (16) {{/U}}the limits of our patience, our faithfulness, our memory for locations. They would try to decide what intelligence in humans is really{{U}} (17) {{/U}}, not merely how much of it there is. {{U}}(18) {{/U}}, they would hope to study a(n){{U}} (19) {{/U}}question: Are humans actually aware of the world they live in? {{U}}(20) {{/U}}the results are inconclusive.

单选题The Battle of______witnessed the death of King Harold in 1066.