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单选题I'm sure these documents will be ______ great value to you.A) about C) withB) from D) of

单选题It is important to realize that the same technology that helps us may also harm us. We can prevent this from happening by carefully controlling the new technology. As one expert says, "We must remember that it is the intelligent application of technology that will lead us to success."

单选题Because of the reduction of air pollution, this city now is a good place ______.

单选题______ the names on the list, there are six other applicants.

单选题He has been working as an engineer ______graduation. A. while B. as C. since D. which

单选题The local government has always placed a strong emphasis ______ education and vocational training.

单选题What he will do is ______ a work contract with the company.A. doB. makeC. letD. show

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单选题Since there is such an abundance of food in the sea, it is understandable that some of the efficient, highly adaptable, warm-blooded mammals(哺乳动物) that evolved on land should have returned to the sea. Those that did have flourished. Within about 50 million years — no time at all, geologically speaking — one of the four kinds of mammals that have returned to a marine environment has developed into the largest of all animal forms, the whale. A second kind, the seal, has produced what is probably the greatest population of large carnivorous mammals on Earth. This suggests that these "top dogs" of the ocean are prospering and multiplying. However, such has not been the case, at least not for the last 150 years. Trouble has closed in on these mammals in the form of equally warm-blooded and even more efficient and adaptable predators, humans. At sea, as on land, humans have now positioned themselves on the top of the whole great pyramid of life, and they have caused serious problems for the mammals of the sea. There is a simple reason for this. Marine mammals have the misfortune to be swimming aggregates of commodities that humans want: fur, oil and meat. Even so, they might not be so vulnerable to human depredation if they did not, like humans, reproduce so slowly. Every year humans take more than 50 million tons of fish from the oceans without critically depleting the population of any species. But the slow-breeding mammals of the sea have been all but wiped out by humans seeking to satisfy their wants and whims.

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单选题How did the soldiers carry out that order of the officer?

单选题Whenever circumstances permitted, they would come and lend us a hand.

单选题She had made ______ many mistakes in the article that I didn't know what she wanted to tell us.

单选题He didn't go straight home after school, but went to work as waiter in a restaurant.

单选题{{B}}Task 5{{/B}}The following is a trouble-shooting guide to a Cameral After reading it，you are required to complete the statements that follow the questions (No．56 to No．60)． Problem Probable causes Remedy No Power. Batteries are not positioned properly or are depleted. Reposition the batteries correctly or replace with fresh batteries. Sudden loss of power. Batteries are depleted. Replace with fresh batteries. Batteries go dead quickly. Batteries were subjected to excessively high or low temperatures. Replace with fresh batteries. Auto-focus does not locus on subject. Lens is dirty. Clean the lens. Subject is not in tile center of the Auto-Focus flame. Use Focus Lock or LIVE monitoring mode. Flash does not work or recharge. Flash-off mode is selected. Press Flash mode button to cancel setting. Picture is too bright. Flash discharged when distance to subject was less than 25 cm. Select Flash-off mode. Date is incorrect or the date display is flashing. The correct date and time have not been set. Reset the date and time correctly. Auto Power-off system does not work. Auto Power-off system was canceled. Confirm Auto Power-off system settings.

单选题{{B}}Task 2{{/B}}This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 to 45. Do you always understand the directions on a bottle of medicine? Do you know what is meant by "Take only as directed"? Read the following directions and see if you understand them. To reduce pain, take two tablets with water, followed by one tablet every eight hours, as required. For night-time and early morning relief take two tablets at bedtime. Do not take more than six tablets in twenty-four hours. For children six to twelve years old, give half the amount. For children under six years old, ask for your doctor's advice. Reduce the amount if you suffer from restlessness or sleeplessness after taking the medicine.

单选题But for his sickness, he would have joined the Army.