Questões Militares Sobre inglês

Which option is correct?

When a Search-and-Rescue Operation is in progress, the RCC or the OSC will instruct other vessels in the vicinity to keep radio-silence, unless they have messages about the accident. Radio silence is imposed to other vessels by the phrase

Which option correctly completes the text below?

The Rosetta Stone

"Egyptian hieroglyphic ________________ undeciphered until the 19^th century. Members of Napoleon’s Egyptian expedition of 1799________________a black basalt stone, ______________ 114 x 72 cm, at Rashid (Rosetta). The stone ___________ with three different scripts: hieroglyphic, the derived demotic script,_________________ everyday purposes, and Greek. (...)”

(CRYSTAL, David. The Cambridge Encyclopedia of Language, 3^rd edition, Cambridge University Press, 2010.)

Mark the correct option to complete the paragraph.

To prevent liquids from leaking from one double tank into the other, longitudinal and transverse separations are used between the tanks. These separations which are in fact empty spaces are called