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【判断题】
二叉树的先序遍历序列中,任意一个结点的访问均在其子女结点的前边,这种说法 ___________A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】_______ which university to attend, the girl asked her teacher for advice.A.Not knowing###
A.
_______ which university to attend, the girl asked her teacher for advice. A.Not knowing
B.
Knowing not
C.
Not known
D.
Known not
【单选题】_______ which university to attend, the girl asked her teacher for advice.
A.
Not knowing
B.
Knowing not
C.
Not known
D.
Known not
【单选题】The little girl _____________ the policeman ____________ a help. [ ]
A.
asks, to
B.
ask, for
C.
asked, for
【单选题】The girl asked me if I ______ a dog in the street.
A.
have seen
B.
had seen
C.
seen
D.
see
【单选题】下列对纳洛酮的描述哪项是错误的
A.
对阿片μ、δ、κ受体有竞争性拮抗作用
B.
本身具有明显药理效应及毒性
C.
对吗啡成瘾者可迅速诱发戒断症状
D.
适用于吗啡类镇痛药急性中毒
E.
可迅速缓解吗啡中毒所致呼吸抑制，使昏迷患者迅速复苏
【单选题】下列对纳洛酮的描述，哪项是错误的
A.
对阿片各种受体有竞争性拮抗作用
B.
本身具有明显药理效应及毒性
C.
对吗啡成瘾者可迅速诱发戒断症状
D.
适用于吗啡类镇痛药急性中毒
【单选题】When they went into the shop and asked to look at the engagement rings, the girl brought out a cheaper one, _______ she had arranged with James.
A.
the which was what
B.
what was that
C.
which was what
D.
that was that
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