Between the outside wall of glass and the two inside walls of glass, there is ______.
A: an empty space
B: another huge wall
C: a triple-glazed wall
A: an empty space
B: another huge wall
C: a triple-glazed wall
举一反三
- The Romans built two walls to keep the picts out of the area they had conquered. The two walls were called ______ and ______. A: the picts’ Wall, Celts’ Wall B: the Hadrian’s Wall, the Antonine Wall C: Britain’s Wall, Scotland’s Wall D: Roman Wall, Julius’ Wall
- The glass wall _______ heat waves.
- The glass wall _______ heat waves. A: absorbs B: reflects C: mirrors D: imitates
- For walls, a（）is a slab wider than the wall and extending the length of the wall
- It is essential that the glass ________ thicker on the outside than on the inside and the gap between the panes of glass ________ a minimum of seven centimeters. A: is, is B: be, be C: be, is D: is, be