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- 2010-12-20
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1.It may be another fifteen years before spacecraft from Earth again venture to Mars, a planet now known to be cold, dry, and probably lifeless. (A) again venture to Mars, a planet now known to be (B) venture to Mars again, a planet now known for being (C) will venture to Mars again, a planet now known as being (D) venture again to Mars, a planet that is known now to be(A) (E) will again venture to Mars, a planet known now as being
D选项的错误是因为不简洁么 还是again的位置错误 |
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