ÜDS 2006 Mart İngilizce Fen Bilimleri Soru 44

SORU:

Soruda boş bırakılan yere, parçanın anlam bütünlüğünü sağlamak için getirilebilecek cümleyi bulunuz.

Traditionally, the study of planet formation has proved frustrating, as astronomers have never been sure whether their theories apply to other planetary systems. ----. Now, however, the observations of debris discs around stars of different masses and ages are helping to place our solar system in context.

A) Some discs look like gigantic versions of the rings of Saturn
B) Most of the discs, however, could not be seen directly
C) What the recent images show is wonderfully unexpected
D) This is because the solar system is the only known example of a planetary system
E) The dust particles probably result from collisions among asteroids

Çözüm:

A) Some discs look like gigantic versions of the rings of Saturn
B) Most of the discs, however, could not be seen directly
C) What the recent images show is wonderfully unexpected
D) This is because the solar system is the only known example of a planetary system
E) The dust particles probably result from collisions among asteroids