We know nothing ________ the market conditions there.
A、regard
B、as regard
C、in regards to
D、regarding
A、regard
B、as regard
C、in regards to
D、regarding
But we know _11_ nothing about the people
A.almost
B.most
C.at most
D.mostly
From what Mr. Collins said, we can know that he_________ .
A.had only an incomplete picture of what happened
B.heard and saw nothing at all
C.talked to the pilot
D.was once a pilot
A、Vanity Fair
B、Great Expectation
C、A Tale of Two Cities
D、The Adventures of Philip
From the passage, we know that man must ______.
A.do nothing to keep the balance (平衡)of nature
B.try his best to change the balance of nature
C.try his best to keep the balance of nature
D.do his best to stop the balance of nature
What do we learn about scientists in earlier times?
A.They claimed to know nothing about nature.
B.They believed in results from scientific observation.
C.They paid much attention to the problems they didn't understand.
D.They invented false theories to explain things they didn't understand.
A、A. begins with, run, gain, eating
B、begins at, jump, get, drinking
C、begins with, jump, gain, swimming
D、starts with, run, obtain, eating
What do we know after the lateral hypothalamus was electrically stimulated in the 1960s?
A.The lateral hypothalamus is indispensable in the feeding behavior.
B.The lateral hypothalamus has nothing to do with the feeding behavior.
C.The amygdala is more important than the lateral hypothalamus.
D.The amygdala governs the eating behavior.
We know very little about the central Africa 200 years ago because ______.
A.there was nothing worth being written down at that time
B.the people there ignored the importance of keeping a record
C.the written records were perhaps destroyed by a fire
D.the people there had not known how to write
According to paragraph three, what can we learn about the experiment?
A.30% of the patients take placebos.
B.The effect of placebo has nothing to do with the dose.
C.Patients feel still better if they are given two instead of one placebo.
D.Patients know they are taking placebos rather than real drugs.
We know very little about the central Africa 200 years ago because______.
A.there was nothing worth Being written down at that time
B.the people there don't pay attention to the importance of keeping a record
C.the written records were perhaps destroyed by a fire
D.the people there did not know how to write
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