【C11】A．light－coloredB．dark－coloredC．deep－coloredD．slight－colored

______ is a low，even layer of dark grey clouds，with light and dark patches.A.CirrostratusB

In the early morning light we could just see the dark forms of the mountains.（英译中)

The periods of light and darkness the moon created were the first accepted periods of time

Because film is______to light it must be kept in darkness to avoid exposure under the sun.

Moles are almost completely blind, although its tiny eyes can distinguish light from dark.

Although cats cannot see in complete darkness their eyes are much more ______ to light tha