【单选题】Without the air to hold some of the sun's heat, the earth at night ______ , too cold for us to live.
A.
would be coldly freezing
B.
would be freezingly cold
【多选题】Let S, T, and U be subspaces of a vector space V. Then which of the following equations hold.
C.
S ∩ (T ∩ U)=(S ∩ T) ∩ U
D.
S+(T ∩ U)=(S+T) ∩ (S+U)
E.
dim S + dim T = dim (S ∩T)+dim (S+T)
【单选题】Humans still hold on to the absurd ______ that we are the only intelligent beings in the Universe.