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（     ）64.CO2from air and          can produce food for trees with the help of chlorophyll and sunlight.

          A.water in the sea      B.water from soil   C.water in the river

（     ）63.We can get more O2 by           .

A.     planting more trees

B.      cutting trees down

C.      making the water in soil polluted

（     ）62.Chlorophyll is in           .

          A.sunlight                 B.soil                           C.leaves

（     ）61.Trees can get light from         in the daytime.

          A.CO2                             B.O2                            C.the sun

（     ）60.From the passage we know that Mimi was 24 years old at that time.

（D）

（     ）59.Mimi was happy to get six more roses from Philip.

（     ）58.Philip couldn’t send flowers to Mimi himself on her birthday because he was ill.

（     ）57.Mimi never accepted Philip’s flowers.