题目内容
债务承担协议须经过债务人同意才能生效。( )
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Shopping on the Net You are to write in three parts. In the first part, state specifically what your opinion is. In the second part, provide one or two reasons to support your opinion. In the last part, bring what you have written to a natural conclusion or make a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the instructions may result in a loss of marks.
教师的学科专业素养包括哪些内容？
一般保证的保证人与债权人未约定保证期间的，保证期间为3个月。( )
Decide which of the choices given below would best complete the passage if inserted in the corresponding blanks. Mark the best choice for each blank on your ANSWER SHEET. Threats from nomadic people in the north were (31) throughout Chinese history. They were continually attacking the Chinese northern (32) . With each new emperor, came endless debate about how to (33) the barbarians. There were four options. (34) offensive campaigns to drive them away or to destroy them; create defensive garrisons; develop diplomatic and (35) ties with them, or build a wall to keep them out. All the options were (36) at various times. Experience showed that (37) campaigns were too costly and very risky, (38) defensive garrisons could not respond quickly enough (39) lightning attacks along a long border. The third option would seem to be a very (40) one and it was in fact tried successfully (41) a couple of occasions. Wall building became the most favored option in many dynasties. The three dynasties which (42) the most walls were the Qin, the Han and the Ming. The effectiveness of the Great Wall in history is still a controversial (43) . Historical records show that the wall (44) at many times (45) repel invaders. Only on two occasions when a dynasty weakened from (46) were invaders from the north (47) advance and conquer. (48) , scholars think the Chinese wall builders were themselves responsible for the unrest on the border. The nomads were people who did not farm, so they (49) trade with China for many essentials. When the Chinese refused to trade with them, they had no option (50) raid border towns.
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