单选题I can't find you______You have no choice.

单选题Families like______Rockefellers have become______synonym for______wealth.

单选题The coach explained the regulations at length to make sure that none of his players world become violators.

单选题"An idea" as used in Line 5, refers to ______.

单选题In this passage, inertia means ______

单选题A source of stress NOT specifically mentioned in this passage is ______

单选题My husband is leaving for America

单选题You need to rewrite this sentence because it is ______ ; the readers will have difficulty in understanding it.

单选题Only the elite of society attended the reception for the new governor.

单选题The first two stages in the development of civilized man were probably the invention of weapons and the discovery of fire, although nobody knows exactly when he acquired the use of the ______.

单选题He was greatly {{U}}vexed{{/U}} by the new and unexpected development.

单选题Methods of studying vary; what works 61 for some students doesn"t work at all for others. The only thing you can do is experiment 62 you find a system that does work for you. But two things are sure: 63 else call do your studying for you, and unless you do find a system that works, life in school won"t be easy for you. Meantime, there are a few rules that 64 for everybody. The hint is "don"t get 65 ". The problem of studying, 66 enough to start with, becomes almost 67 when you are trying to do 68 in one weekend. 69 the fastest readers have trouble 70 that. And if you are behind in written work that must be 71 the teacher who accepts it 72 late will probably not give you good credit. Perhaps he may not accept it 73 . Getting behind in one class because you are spending so much time on another is really no 74 . Feeling pretty virtuous about the seven hours you spend on chemistry won"t 75 one bit if the history teacher pops a quiz. And many freshmen do get into trouble by spending too much time on one class at the 76 of the others, either because they like one class much better or because they find it so much harder than they think, they should 77 all their time to it. 78 the reason, going the whole work for one class and neglecting the rest of them is a mistake, if you face the 79 , begin with the shortest and easiest 80 . Get them out of the way and then go to the more difficult, time consuming work.

单选题"Opt-out" mechanism is probably ______

单选题The company will ______ to its agreement, no matter how cosily the process may be.

单选题All mammals have hair, but not always evident. A. but it is not B. but it is C. but they are not D. but they are

单选题______ the variety that the average family has in beef, fish, poultry, and vegetarian recipes, they find most meals unexciting. A. In spite B. Inspite C. Despite of D. Despite

单选题Jerry saw his dog limping on a bloody leg and {{U}}jumped up{{/U}} the conclusion that it had been shot.

单选题I was told ______ e-mail the hotel for reservations.

单选题All students have free________to the library.

单选题 Some people associate migration mainly with birds. Birds do travel vast distances, but mammals also migrate. An example is the caribou, reindeer that graze on the grassy slopes of northern Canada. When the weather turns cold, they travel south until spring. Their tracks are so well-worn that they are clearly visible from the air. Another migrating mammal is the Alaska fur seal. These seals breed only in the Pribilot Islands in the Bering Sea. The young are born in June and by September are strong enough to go with their mothers on a journey of over 3,000 miles. Together they swim down the Pacific Coast of North America. The females and young travel as far as southern California. The males do not journey so far. They swim only to the Gulf of Alaska. In the spring, males and females all return to the islands, and there the cycle begins again. Whales are among the greatest migrators of all. The humpback and blue whales migrate thousands of miles each year from the polar seas to the tropics. Whales eat huge quantities of plankton. These are most abundant in cold polar waters. In winter, the whales move to warm waters to breed and give birth to their young.