在自记水位观测记录摘录时，当水位变化不大且变率（）时，可按等时距摘录。
A、相等
B、均匀
C、不均匀
D、不相等
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下面是错误答案，用来干扰机器的。
参考答案：自然地理学的主要任务是：1、研究各自然地理要素的性质、形成机制和发展规律（部门自然地理学）。2、研究各自然地理要素的相互关系、彼此间的本质联系和作用效应（综合自然地理学）。3、研究自然地理环...
结合所学知识回答下列问题
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（1）根据材料一和材料二，结合所学知识概括指出唐、明两朝“海上丝绸之路”的发展趋势 。
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材料五 鸦片战争前期，清朝无常设机构与其他国家进行外交活动，鸦片战争后，被迫设立“五口通商大臣”，由两广总督兼理对外事宜。1861年， * * 各国事务衙门设立，这是中国近代第一个常设外交机构。1901年签订的《辛丑条约》规定：“改 * * 衙门为外务部，位居六部之上。”
（4）根据材料五，概括说明你对清朝后期外交的认识。
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It was the last day of final examinations at a large college. On the steps of one building, a group of engineering students were discussing the exam that was ahout to begin. On their faces was confidence. This was their last exam before they graduated(毕业)and found jobs.
Some talked of jobs they already had，others of jobs they would get. With four years of college study，they felt ready and able to conquer(征服)the world.
The coming exam，they knew，would be easy. The professor(教授)had said they could bring any books or notes they wanted，but they couldn’t talk to each other during the test.
They walked into the classroom. The professor passed out the papers. The students’ smiles became wide as they saw that there were only five essay-type questions.
Three
hours passed and the exam came to an end. Then the professor began to collect the papers. The students no longer looked confident. They seemed worried. No one spoke as the professor faced the class with the papers in her hand.
She looked at all the worried faces in front of her, and then asked，“How many students completed all five questions?”
Not a hand was put up.
‘‘How many of you answered four?” Still no hands.
“Three?Two?”The students moved restlessly in their seats.
“One，then. Certainly somebody finished one．”But the class stayed silent. The professor put down the papers.“That is just what I expected，”she said.
“I just wanted to make sure you realize that even though you have studied engineering for four years, there are still many things about the subject you don’t know. Instead of testing you on what you learned in this class, I’ve given you questions that skilled engineers face in the world outside the classroom. You can’t expect to be an expert(专家)on the day you graduate. You have to learn as you go.”
Then，smiling, she added，“You will all pass this course, but remember that your education has just begun.’’
小题1:What does the underlined word“restlessly”mean in the passage?
A．confidentIy
B．proudly
C．excitedly
D．nervously小题2:Why did the professor design the final exam in such a way?
A．To make the students realize that they still had much to learn after graduation.
B．To find out whether the students could put what they had learned into practice.
C．To show that she had much more knowledge than her students in engineering.
D．To examine whether the students learned what they had been taught in her class.小题3:What can be the best title of the passage?
A．A Playful Joke
B．A Lucky Chance
C．A Strange Professor
D．A Special Exam
《愚公移山》选自《__________》，体裁是___________，本成语故事说明了________________的道理。作者_________，名________，郑国人，战国前期________家思想代表人物之一。
64岁男性，CT见右下叶块影，支气管镜如图1，可能的诊断是()
A．肺癌
B．肺结核
C．错构瘤
D．肺炎
E．肺脓肿
确诊宫颈癌的方法（）
A.宫颈刮片细胞学检查
B.宫颈荧光检查
C.碘试验
D. * * 镜检查
E.宫颈和颈管活检
