问题
单项选择题
汽油的诱导期是评定汽油在储存中氧化及（）倾向的指标。
A、变质
B、变色
C、蒸发
D、生成胶质
答案
参考答案：D
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汽油的诱导期是评定汽油在储存中氧化及（）倾向的指标。
A、变质
B、变色
C、蒸发
D、生成胶质
参考答案：D
| 阅读理解 | ||||||||||
School Sports Meeting !
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| 1. The school sports meeting begins __________. | ||||||||||
| A. in the morning B. in the afternoon C. after school D. in the evening | ||||||||||
| 2. Do the girls and the boys need the same clothes? | ||||||||||
| A. Yes, they do. B. No, they don't. C. I don't know. D. Yes, they don't. | ||||||||||
| 3. Their shoes are __________. | ||||||||||
| A. red B. blue C. white D. green | ||||||||||
| 4. The students needn't take __________ to school. | ||||||||||
| A. pens B. notebooks C. food D. water |