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【单选题】
Which of the following is the most resistant to destruction by chemicals and heat?A.
S. aurea
B.
Mycobacterium tuberculosis
C.
Ebola virus
D.
Spores of Bacillus anthracis
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【单选题】患者，男，27岁，诊断为原发性肾病综合征，初次常规治疗每日用泼尼松60 mg，6周后尿蛋白仍为(+)，此时应采取的措施是
A.
将泼尼松加量到80 mg/d
B.
改为地塞米松
C.
改用环磷酰胺
D.
用原量继续观察
E.
减少泼尼松量到40 mg/d，加用免疫抑制剂
【简答题】男,19岁。初发肾病综合征,应用泼尼松60mg/d治疗8周,水肿无明显好转,复查尿蛋白仍大于3.5g/d,肾活检提示微小病变型肾病。下一步最适宜的治疗是
【简答题】集成电路失效率随时间变化的曲线称为
【单选题】It was about 2 p.m. on Mar. 9 when three Nucor Corp. electricians got the call from their colleagues at the Hickman (Ark.) plant. It was bad news: Hickman's electrical grid had failed. For a minimill ...
A.
fails frequently
B.
seldom fails
C.
can not bear failure
D.
affect little when fails
【单选题】When the steel plant shut down, the town's people were all _________. The workers had no jobs, and the shops had no business. It was really tough all around.
A.
in a boat
B.
in the boat
C.
in the same boat
D.
on the same boat
【单选题】消化性溃疡主要发生在
A.
幽门螺杆菌感染，胆汁反流
B.
胃、十二指肠
C.
餐后痛
D.
饥饿痛
E.
空腹，餐前0.5-1小时
F.
餐后1小时
G.
司机、高空作业、精密仪器操作者
H.
B12
I.
B6
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