In a few days Mr.Barnstaple had ____strength of body and mind
A. retreated
B. recorded
C. recovered
D. replaced
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She shouldn't have stood in a queue; she ____ her underground ticket from the machine.
A. has got
B. must have got
C. could have got
D. got
Such a difficult operation may not succeed, it’s a(n)____ gamble.
A. essential
B. fundamental
C. elementary
D. inevitable
引起肾前性急性肾衰的原因是()。
A. 急性肾炎
B. 肾血栓形成
C. 休克
D. 水中毒
E. 尿路阻塞