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【单选题】
关于动脉硬化性帕金森综合征叙述错误的是（）A.
基底节多发性脑梗死、额叶前部白质损害是其主要原因
B.
常伴有高血压、动脉硬化及脑卒中病史
C.
症状以静止性震颤为主要表现
D.
半数以上患者可伴有假性球麻痹、腱反射进、病理征阳性
E.
主要表现有起病隐袭、性肌张力增高、动作减少、表情呆滞、慌张步态
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举一反三
【单选题】Why was the letter written?
A.
To apologize for the delayed order delivery
B.
To cancel an existing bill
C.
To approve a proposed purchase
D.
To provide confirmation of a payment
【单选题】—_____ is it from here to the No.1 Middle School? —About half an hour's walk. Let's go and visit it. [ ]
A.
How long
B.
How often
C.
How far
D.
How much
【简答题】It ________ (直到子夜) that the delayed train pulled into the station.
【单选题】When the delayed train finally arrives, irritated passengers ______ on the platform. for nearly six hours.
A.
have been waiting
B.
will be waiting
C.
have waited
D.
will have been waiting
【单选题】People tend to ignore the delayed effects of exposure to chemicals because
A.
limited exposure to them does little harm to people's health______
B.
the present is more important for them than the future
C.
the danger does not become apparent immediately
D.
humans are capable of withstanding small amounts of poisoning
【单选题】We're still at the airport. If it weren't for the delayed flight, we _____ the concert right now. [ ]
A.
can be enjoying
B.
must have enjoyed
C.
would be enjoying
D.
should have enjoyed
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