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【判断题】
思维的逻辑形式中 决定思维形式性质的部分是逻辑常逻辑变项。A.
正确
B.
错误
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【单选题】Which is the most important Buffer system of the plasma
A.
Na2HPO4/NaH2PO4
B.
NaHCO3/H2CO3
C.
Pro-Na/Pro
D.
KHCO3/H2CO3
【单选题】The most important transcendentalist in the 19th century America is
A.
Thoreau.
B.
Emerson.
C.
Hawthorne.
D.
Whitman.
【单选题】The most important thing you can do for a family member or friend who is depressed is to help him or her get an appropriate diagnosis and treatment. This may involve encouraging him or her to stay wit...
A.
How to Help a Depressed Lover.
B.
Where You Can Get Help to Help a Depressed Lover.
C.
The Most Important Things You Can Do to Help a Mental Illness Patient.
D.
Financial and Emotional Support for Depressed Lover.
【单选题】以下不能在Python编译环境下正确执行的表达式是（ ）。
A.
dic={ 'ab':3, 'cd':6, 'ef':9 }
B.
dic={ 1:{2,3}, 4:[5,6], 7:(8,9) }
C.
dic={ (1,2):3, (4,5):6, (7,8):9 }
D.
dic={ [1,2]:3, {4,5}:6, {7,8}:9 }
【简答题】土壤水分不足时,使根冠比变 。土壤中 N 肥不足时,使根冠比变 。 在水分 并增施 肥条件下,可降低植物的根冠比。
【单选题】In ancient times the most important examinations were spoken, not written. In the schools of ancient Greece and Rome, testing usually consisted of saying poetry aloud or giving speeches. In the Europe...
A.
took objective tests
B.
were timed by electric clocks
C.
specialized in one subject
D.
never wrote exams
【单选题】以下不能在Python编译环境中正确执行的表达式是：
A.
a={1,2,3,(4,5,6)}
B.
a={1,2,3,[4,5,6]}
C.
a=[1,2,3,(4,5,6)]
D.
a=(1,2,3,[4,5,6])
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