更多"It is difficult to discern the samp"的相关试题:
[单项选择]It is difficult to discern the sample that is on the slide unless the microscope is adjusted.
A. discard
B. arrange
C. determine
D. disagreement
[单项选择]According to the writer, it is difficult for you to go to sleep if ______.
[单项选择]Because the Appalachian Mountains were difficult to cross, Kentucky was not settled _________ eastern coastal area was.
A. otherwise
B. instead
C. until after
D. in spite of
[单项选择]It is difficult to ________ the sample that is on the slide unless the microscope is adjusted properly.
A. overlook
B. discern
C. disclaim
D. distract
[单项选择]During the summer holiday season it is difficult to find a(n) _____ room in the hotels here.
A. empty
B. vacant
C. free
D. deserted
[单项选择]The examination wasn't very difficult, but it was ______ long.
A. too much
B. very much
C. so much
D. much too
[单项选择]It's difficult to believe that this little brown thing will eventually turn () a beautiful butterfly.
A. out
B. around
C. to
D. into
[单项选择]It is as difficult to persuade him not to smoke()to keep me from singing songs.
A. so is it
B. so it is
C. as it is
D. as is it
[单项选择]Why is it difficult for public policy to improve the market outcome
A. Because it is difficult to measure the inefficiencies.
B. Because perfectly competitive firms produce identical goods.
C. Because a new firm would offer a product different from those of the existing firms.
D. Because surplus is maximized under monopolistic competition.
[单项选择]He didn't know German, ______ made it difficult for him to study at a university in Germany.
A. that
B. as
C. which
D. this