A．payingB．offeringC．givingD．leaving
A. paying
B. offering
C. giving
D. leaving
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生态系统演替的对策，基本上与生物圈长期进化发展的对策是相同的。（）
A. 正确
B. 错误
A．gatherB．takeC．collectD．check
A. gather
B. take
C. collect
D. check
A．ThereforeB．UnfortunatelyC．HoweverD．Of course
A. Therefore
B. Unfortunately
C. However
D. Of course
Which of the following statements is true？
A. The Indian Ocean comes before the Pacific and the Atlantic in size.
B. The Indian Ocean is surround by four countries.
C. Sri Lanka is the largest island in the Indian Ocean.
D. Strong winds from the Indian Ocean bring heavy rains to the countries in southeast Asia.
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