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We have to _____ this job if we want to finish by Thursday.
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骨折修复的骨痂中，矿物盐沉着是由于哪种物质作用的结果
Many students find the experience of attending university lectures to be a confusing and frustrating experience. The lecturer speaks for one or two hours, perhaps (61) the talk with slides, writing up important information on the blackboard, (62) reading material and giving out (63) The new student sees the other students continuously writing on notebooks and (64) what to write. Very often the student leaves the lecture (65) notes which do not catch the main points and (66) become hard even for the students to understand. Most institutions provide courses which (67) new students to develop the skills they need to be (68) listeners and note-takers. (69) these are unavailable, there are many useful study-skills guides which (70) learners to practice these skills independently. In all cases it is important to (71) the problem before actually starting your studies. It is important to (72) that most students have difficulty in acquiring the language skills (73) in college study. One way of (74) these difficulties is to attend the language and study-skills classes which most institutions provide throughout the (75) year. Another basic strategy is to find a study partner with whom it is possible to identify difficulties, exchange ideas and provide support. Part Ⅳ ClozeDirections: In this part, there is a passage with 15 blanks. For each blank there are 4 choices marked A, B, C and D. Choose the best answer for each blank and mark the corresponding letter with a single bar across the square brackets on your machine-scoring ANSWER SHEET.
简单平均法在时间序列比较平稳，即随时间变化各期实际销售量增减变化不大时可以采用，但它既看不出数据的离散程序，也不能反映近，远期数据变化的趋势，因此一般在要求不太高的情况下适用。 ( )
诊断急性腹膜炎最可靠的腹部体征是
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