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1、 He lost sight in his right eye at the age of 83. （对划线部分提问）
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2、 He discovered and named about 1,370 new plant species. (改为被动语态)
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3、 For over 70years, he explored China to study the country's plants.（对划线部分提问）
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4、 He was born in the flowering season of early summer. (改为一般疑问句)
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5、 Nature presents us with endless wonders. （对划线部分提问）
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6、 shows, are, new, a, completely, species, they, research, that. (连词成句)
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7、 used, scientists, believe, to, ants, that, came, the, from, northern,of, half, earth, the (.)(连词成句)
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8、 Amber may also help us discover if other species have changed over time.(写出同义句，句子正确即可)
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9、 But the find proves that it did 35 million years ago.(对划线部分提问)
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10、 tell, whether, they, us, can, had, dinosaurs, feathers (.)(连词成句)
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11、 These beautiful golden stones quietly keep pieces of the past. (英译汉)
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12、 In the amber from Southeast Asia, they found the tail of a dinosaur.(对划线部分提问)
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13、 然而, 多亏了一块琥珀，现在科学家们知道这个想法是错的。(汉译英)
However, a , scientists now know that .
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14、 For hundreds of years, people believed that dinosaurs looked like huge lizards.(对划线部分提问)
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15、 It is running around looking for its next meal. (对划线部分提问)
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16、 The centuries-old water system will surely be carried into the future. (英译汉)
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17、 People can grow plants for food in this difficult environment. (改为一般疑问句)
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18、 现在，越来越对的年轻人在采取行动保护它。（汉译英）
Now, young people are to protect it.
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19、 Today, the area faces a water shortage. (对划线部分提问)
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20、 heat, it, cool, safe, and, kept, is, the, desert, from(.) (连词成句)