填空题


In this section you will hear a recorded short passage.The passage is printed in the test paper,but with some words or phrases missing.The passage will be read three times.The third reading is for you to check your writing.Now the passage will begin.
Life on land probably (11) about 430 million years ago,though it has existed in the water for perhaps (12) 3,000 million years.When we think of the first life on land,we probably think of some (13) animals coming out of the oceans,but (14) ,no animals could have been living if plants had not been on land first.Plants had to be on land before animals arrived.They (15) the first land animals with food necessary to live.since they the plants are the only form of life that is able to get and store energy.

【参考答案】

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