It was well known that Thomas Edison _____ the electric lamp.
A.discovered
B.invented
C.found
D.developed
A.discovered
B.invented
C.found
D.developed
A、know
B、knew
C、known
D、have known
A.Aristotle’s
B.none of the above
C.Obama’s
D.Monroe’s
It is well known that knowledge is the _____ condition forexpansion of mind.
A) incapable
B) incredible
C) indispensable
D)indefinite
A.being well known
B.which is well known
C.is well known
D.well known
It is well known that gunpowder is one of the four inventions of the ancient Chinese people. (习惯译法)
A.正确
B.错误
Ive known John well enough to say "Hello" , but not much more______than that.
A.properly
B.politely
C.intensely
D.intimately
A.security
B.references
C.witnesses
D.evidence
B.How do you do
C.I’m a doctor.
D.Nice to have known you.
______ is well known, light, like heat, is a form. of energy.
A.It
B.What
C.Just as
D.As