Preferred channel marks are aids to navigation which all following marks other than（）．
A: channel junctions
B: bifurcations
C: fishing traps
D: wrecks or obstructio
A: channel junctions
B: bifurcations
C: fishing traps
D: wrecks or obstructio
举一反三
- Which of the following statements is TRUE（） A: Swimming across the Channel takes less than four hours. B: The idea of a Channel tunnel or bridge is a very new one. C: It is considered to be more difficult to swim across the channel than any other means. D: A tunnel or bridge would only reach as far as the coast.
- Which of the following are the channels at the customs? A: the red channel B: the yellow channel C: the green channel D: the blue channel
- Which of the following marks represents Legato? A: ㄇ B: ⌒ C: ∨ D: ///
- Which of the following channels is called 'the sea of all yang channels? A: Du vessel(Governor vessel) B: Ren vessel(Conception vessel) C: Bladder channel D: Stomach channel
- which of the following channels has the name of "sea of yang channels"? A: The bladder channel B: The governing vessle C: The kidney channel D: The yang heel channel