单项选择题
Climate change will greatly （） wheat and rice production if nations don't take steps now.
A．fall B．leak C．lack D．reduce
单项选择题 By no means （） to her parents.
单项选择题 The police are trying to find out the （） of the woman killed in the traffic accident.
单项选择题 The man moved （） forward and looked over the edge, shrinking his shoulders.
