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【判断题】
丙二烯分子中,碳原子都是以相连,因此可以认为所有碳原子都采取sp2杂化键的A.
正确
B.
错误
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举一反三
【单选题】Which of these does not belong with the others?
A.
lipase
B.
sucrase
C.
maltase
D.
lactase
【单选题】Which of these does NOT describe Rani ki Vav? (Text 6A)
A.
a magnificent temple
B.
a well with steps
C.
a memorial to a dead king
D.
an 11th-century structure
【单选题】Which of these does not help a speech reach an audience?
A.
long complex sentences
B.
simple vocabulary
C.
concrete images
D.
repeating certain phrases
【单选题】Which of these does a theme not include?
A.
A color palette
B.
Fonts
C.
Graphic effects
D.
Sample content
【单选题】Which of these does not fit in the same age group as the others?
A.
dieting should be discouraged
B.
more calories are needed
C.
immune system becomes mature
D.
encourage sexual health and abstinence
E.
substance abuse is a concern
【单选题】To which of these does IP multicast send packets?（）
A.
a single host
B.
a subset of hosts
C.
all hosts sequentially
D.
all hosts simultaneously
【单选题】Which of these does not describe Oliver as a character?
A.
Flat
B.
Protagonist
C.
Dynamic
D.
Static
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