单项选择题

The researchers have just completed a study of driving situations．（）

A．started
B．finished
C．changed
D．made

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单项选择题
It seems highly unlikely that she will pass the exam．
A．very
B．completely
C．usually
D．-mostly
单项选择题
In order to survive man needs to consume food and water．（）

A．work
B．play
C．live
D．walk
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