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【单选题】
在下列四种表述中,说明系统误差小的是( )A.
平行测定的结果的标准偏差小
B.
空白试剂的结果可以忽略不计
C.
几次测定的结果都十分接近
D.
用标准试样做对照试验，结果没有显著差异
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】Task 7 match each word with its meaning. 1. inhabitant 2. inaccurate 3. shine 4. fertile 5. forestry 6. prairie 7. landscape 8. colony a. a large area of flat, grassy land in North America. b. a coun...
【简答题】Task 6 Vocabulary (Canada) match each word with its meaning. 1. inhabitant 2. inaccurate 3. shine 4. fertile 5. forestry 6. prairie 7. landscape 8. colony a. a large area of flat, grassy land in No...
【简答题】Read the paragraph above. Match each bold word to its meaning. 1 connected __________ 2 a very important task __________ 3 to put in er __________ 4 keeping the same ________
【简答题】阐释:君子不党。
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