题目内容：
Paragraph 6_______________
参考答案：
答案解析：
单选题：Paragraph 6_______________
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Many scientists have been probing psychological problems．
Many scientists have been probing psychological problems． A．solving B．exploring
靖在第_____处填上正确答案。
靖在第_____处填上正确答案。A．unknown B．few C．untested D．1imited
请在第____处填上正确答案。
请在第____处填上正确答案。
根据以下资料，回答题。 “…we will need to cure our addiction to oil．”Why
根据以下资料，回答题。“…we will need to cure our addiction to oil．”Why does the author say
Scientists expect that the life，if found in deeper water bel
Scientists expect that the life，if found in deeper water below the ice sheet____