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【简答题】
患者女性，40岁，运动中突然出现剧烈头痛、喷射性呕吐，经检查拟诊断为蛛网膜下腔出血，首选诊断方法是（ ）
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【单选题】Most animals have little connection with animals of a different kind, _______ they hunt them for food.
A.
if
B.
while
C.
unless
D.
as
【简答题】Most animals have little connection with animals of a different kind , _______they hunt them for food . A. if B while C. unless D. as
【单选题】Most animals little connection with _____ animals of______ different kind unless they kill them for food. [ ]
A.
the; a
B.
不填; a
C.
the; the
D.
不填; the