1 . 请判断下列句中while引导的句型的类别
1. While the sun’s rays can age and harm our skin, they also give us beneficial vitamin D.
2. Corn production has jumped nearly 125 percent over the past 25 years, while rice has increased only 7 percent.
3. Don’t forget to stop by Pacific Science Center’s Store while you are here to pick up a wonderful science activity or souvenir to remember your visit.
1. While the sun’s rays can age and harm our skin, they also give us beneficial vitamin D.
2. Corn production has jumped nearly 125 percent over the past 25 years, while rice has increased only 7 percent.
3. Don’t forget to stop by Pacific Science Center’s Store while you are here to pick up a wonderful science activity or souvenir to remember your visit.
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2021-06-15更新
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40次组卷
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2卷引用：UNIT 3 The art of painting Section Ⅰ Welcome to the unit & Reading译林版2020选择性必修一
