1 . 听第7段材料,回答第8至9题。
1. What’s the average life time in the man’s country?A.70. | B.67. | C.75. |
A.Useless. | B.Impossible. | C.Necessary. |
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1 . 听第7段材料,回答第8至9题。
1. What’s the average life time in the man’s country?A.70. | B.67. | C.75. |
A.Useless. | B.Impossible. | C.Necessary. |