There is no reason why you should tell them ______that you are going.
A.for advance
B.in advance
C.on advance
D.of advancing
A.for advance
B.in advance
C.on advance
D.of advancing
According to paragraph 1, what is the real reason for patents to exist?
A.Protests
B.Lawsuits
C.Prizes
D.Control
A.that
B.why
C.for
Which of he following was not a reason for using bricks in construction?
A.Wood had to be brought from some distance.
B.There was a considerable clay available.
C.The lumbering process depended on good roads.
D.The timber was not of good quality.
A.catch up with
B.come up with
C.put up with
D.keep up with
According to the passage, the reason why the author opposes to Amazons DRM is that __
A.ebooks can only be purchased on Amazon. com
B.Kindle books are not compatible with other electronic reading devices
C.once implemented, ebooks cant be transferred to other equipments
D.ebooks installed on Kindle 2 cant be edited freely
A.cause
B.excuse
C.reason
D.truth