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【单选题】
●在一棵非空二叉排序树中，关键字最小的结点的(41)。 (41)A.
一定为空、右子树不一定为空
B.
不一定为空、右子树一定为空
C.
和右子树一定都为空
D.
和右子树一定都不为空
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举一反三
【单选题】They ____________ having an argument at seven o’clock last night when CCTV ______ to broadcast news．
A.
were having；started
B.
will be having；started
【多选题】按照现行规定，下列各项中被认定为小规模纳税人的有( )。
A.
会计核算不健全，年不含税销售额在50万元以下的从事货物生产的纳税人
B.
年不含税销售额100万元以上的从事货物批发的纳税人
C.
年不含税销售额为80万元以下，会计核算制度不健全的从事货物零售的纳税人
D.
年不含税销售额为60万元，会计核算制度健全的从事货物生产的纳税人
【简答题】What is the first proposition in this argument?
【单选题】Function __________ compares up to n characters of its first argument with its second argument.
A.
nstrcmp
B.
strncmp
C.
strcmpn
D.
strcmp
【单选题】The term 'a panel discussion' in the first paragraph means______.
A.
an argument or disagreement conducted in private
B.
a television guessing game
C.
a discussion by several people in front of the audience
D.
a discussion for enjoyment
【简答题】What is the first proposition in this argument?
【单选题】In refuting the alarmists, the author advances his argument by first challenging ______.
A.
the source and amount of their data
B.
the targets of their observation
C.
the system of measurement
D.
their definition of violence
【单选题】The first and essential step in understanding an argument is to ________.
A.
spot the conclusion
B.
identify the premise
C.
determine whether it is true
D.
determine whether it is valid
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