45. A. events B. finds C. discoveries D. inventions
II. Choose the item among A, B, C or D that best answers the question about the passage:
NASA officials expressed a great deal of concern over the descent of Skylab, a satellite which was slowly making
its way back to Earth and was expected to reenter our atmosphere within the two weeks. The aluminum Skylab
was not expected to burn up on reentry. In fact, it was feared that some 400 to 500 pieces, some weighing up to
Bạn đang xem 45. - DOWNLOAD BÀI TẬP ĐẠI SỐ 11 CỰC HAY
