Ответ:

  1. 1 — True. Loch Ness is described as a deep lake in the Scottish Highlands.
  2. 3 — Not stated. The text says that the first photograph was taken in 1933, but it does not say who took it.
  3. 2 — False. The text says that some believers think it might be a surviving dinosaur, but scientists have not found real proof.
  4. 2 — False. Despite modern technology, no one has found any real proof.

Ответ: 1) 1; 2) 3; 3) 2; 4) 2.