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【单选题】
下述对脑梗死的诊断和鉴别诊断依据中错误的是( )。A.
鉴别：脑栓塞起病急，局性体征数秒至数分钟达高峰，有心源性栓予来源
B.
脑梗死多为中老年患者，有脑卒中的危险因素；安静状态或活动中起病，病前可有反复TIA发作，症状常在数小时或数天内达高峰，出现局灶性的神经功能缺损，梗死范围与某一脑动脉的供应区一致
C.
根据突然发生的剧烈头痛、呕吐、脑膜刺激征阳性及头颅CT改变可诊断脑梗死。如果CT未见异常或没有条件进行CT检查，可结合脑脊液检查诊断
D.
脑梗死头部CT在早期多正常，24～48小时内出现低密度病灶，血管造影可发现狭窄或闭塞动脉
E.
脑出血、蛛网膜下隙出血、硬膜下血肿或硬膜外血肿、颅内占位可根据头颅CT及MRI来鉴别
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举一反三
【单选题】.Although he had to spend lots of money for going to the ball,he accepted the invitation. the ball was important to him.
A.
After all
B.
In all
C.
First of all
D.
Above all
【单选题】____________ bag is yellow.__________ bag is red.
A.
M y;Her
B.
I;She
C.
M y;She
D.
I;Her
【单选题】—Is _______ red bag under the table yours, Jean? —No, I only have _______ yellow bag. Maybe it’s Julia’s.
A.
a; the
B.
the; a
C.
a; a
D.
the; the
【简答题】A. serious about B. nail down C. equipped with D. fresh from E. beneficial F. competent G. tuned up H. out of curiosity I. swell with pride ...
【单选题】A bag contains 6red marbles, 5yellow marbles, and 7green marbles. How many additional red marblesmust be added to the 18marbles already in the bag sothat the probability of randomly drawing a red marb...
A.
12
B.
16
C.
18
D.
24
E.
36
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