177. What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to ______
举一反三
- 25. In relation to the route radio service, which part shall be consulted in the List of Lights and Fog Signals? ______
- 68. Cumulative list of amendments of Admiralty List of Radio Signals published _____ every year.
- Lightning bugs can blink themselves because of a chemical substance According to the passage, which of the following about lightning bugs is INCORRECT A: They use blinking signals to communicate. B: They use blinking signals to seek for food. C: They use blinking signals to attract their own species. D: They use blinking signals to frighten and warn enemies.
- What do people use to decorate their homes? A: Lights B: Flowers C: Colorful silks D: Fireworks
- Supporting sentences are often linked by .（ ） A: the use of pronouns B: the use of transition signals C: the use of verbs D: repetition of key nouns