摘要： alternative n.[c]替换物 adj.选择性的.二中择一的 alternatively adv. 作为选择.二者择一 2. accuracy n.[u]精确性.正确度 accurate adj. 正确的.精确的inaccurate adj.不准确的 accurately adv.正确地.精确地inaccurately adv. 不准确地 3. assume vt.假定,设想, 采用,承担 assumption n. 假定.设想.假装.就职 assumed adj. 假定的.假装的.装的 4. analysis n.[c]分析.分解 analyse vt.分析.分解 analytical adj.分析的.解析的 5. significance n. 意义.含义,重要性.重大 significant adj. 相当数量的,意义重大的 significantly adv. 意义深远地.重大地 6. division n.分,除(法),部门 divide vt.分(开),vi.分开 7. skill n.[c,u]技能.技巧.熟练.巧妙 skillful adj. 灵巧的.熟练的.制作精巧的 skillfully adv. 巧妙地.技术好地 [练习]用括号内所提供词的适当形式或介词填空. 1). The way was blocked, so we went by an road. 2). The design is slightly , so we must make some changes. 3). The boss is worried about the of the statistics. 4). It’ s impossible to predict the weather . 5). A lot of people make the that poverty only exists in the Third World. 6). The of the samples on the murder spot showed some valuable clues to the police the address. 7). Students need to possess certain basic by the time they finish schoo1. 8). He was valued for his skill raising money for the company. 9). The discovery of the new drug is of great to people suffering from heart problems. 10). Sometimes there is no simple between good and evil. Keys: 1). alternative 2). inaccurate 3). accuracy 4). accurately 5). assumption 6). analysis 7). skills 8). in 9). significance 10). division

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