题目内容

Lee took his first _____ flight that weekend.

A. by yourself
B. cover
C. knighted
D. solo

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The ____ from England to India used to take six months.

A. single-handed
B. sword
C. crew
D. voyage

Angela would often _____ at the slightest sound.

A. can’t help
B. turned over
C. waken
D. steering device

一般情况下，转移概率与和有关，当与时，称为时齐Markov链。

Markov性又称为"无后效性"。

A. 对
B. 错