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2.ûÓпÕÆø_________________

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3.ÔÚСɽÉÏ________________

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4.Ö²Ê÷½Ú________________

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5.¶íÂÞ˹ÊÇÊÀ½çÉÏ×î´óµÄ¹ú¼Ò¡£

¡¡¡¡Russia is_________________.

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6.be more beautiful_________________

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7.do one's bes________________

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8.more and more people

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9.cut down too many trees

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10.×èֹˮµÄÁ÷ʧ

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11.Plants are very important to people.

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12.Without plants life will not go on.

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13.They can make food from air, water and sunlight.

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14.What do you do on Tree Planting Day£¿

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15.would like to join us

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