A、A.12.
B.Examρle:
C.13.
D.Example:
E.15.
F.
更多“Directions: In the following text, the numbers 11－15 in brackets refer to the underlined parts of the text that come after them, and to the questions below. Read the text first , and then answer the q<br/>A.12.<br/>B.Examρle:<br/>C.13.<br/>D.Example:<br/>E.15.<br/>F.<br/>”相关的问题
A、opposite directions on the same line，tending to pull the material apart B、opposite directions on the same line，tending to compress the object C、opposite directions along parallel lines D、the same direction along parallel lines
A、Each fiber has half of its SONET capacity reserved for protection. B、Two fibers in the span carry working traffic, while the other two fibers in the span are reserved for protection. C、The signal is sent simultaneously in both directions around the ring. The receiver determines which fiber to listen to based on signal quality. D、The signal is sent simultaneously in both directions around the ring. The transmitter determines which fiber has the working bit set for the receiver to acknowledge.
A、In the Coast Pilot B、In the Nautical Almanac C、In the List of Lights D、In the Sailing Directions
A、the Sailing Directions and the Coast Pilot B、a weather fax C、the Local Notice to Mariners D、the Light List
A、crossing your course in the same direction B、crossing your course in opposite directions C、parallel to the pier from ahead D、setting you on the pier
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