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【单选题】
SpeakerA:Hello.MayIspeaktoSally,please?SpeakerB:________A.May I ask who you are? ###SX
A.
Speaker A: Hello. May I speak to Sally, please? Speaker B :________ A.May I ask who you are?
B.
Yes. But the number is engaged.
C.
Yes. This is Sally.
D.
Thanks for calling.
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【多选题】传染性疾病对实验动物生产和使用带来哪些危害()。
A.
携带人畜共患病原体,直接危害人类和动物的健康
B.
影响动物的生产,烈性传染病可导致整个动物群的毁灭
C.
使整个动物群带毒,带毒群体很难净化,会反复爆发疾病
D.
干扰实验结果
【单选题】革兰阳性菌的等电点是:
A.
1-2
B.
2-3
C.
3-4
D.
4-5
E.
5-6
【单选题】关于血压的生理性变化,错误的叙述是( )。【历年考试真题】
A.
小儿血压低于成年人
B.
中年以前女性血压低于男性
C.
清晨血压低于傍晚
D.
上肢血压低于下肢
E.
寒冷环境血压低于高温环境
【简答题】试述血压的生理性变化。
【单选题】The plane was flying normally for about 15 minutes before a warning light started blinking.
A.
opened very quickly
B.
happened very quickly
C.
turned on
D.
flashed on and off
【单选题】The plane was flying .
A.
high
B.
highly
C.
more higher
【单选题】形成蜂窝状气孔的气体主要是 。
A.
氢气
B.
氮气
C.
氧气
D.
一氧化碳
【单选题】形成蜂窝状气孔的气体主要是 。
A.
氢气
B.
氮气
C.
氧气
D.
空气
【单选题】The plane was flying so low that it nearly ripped the roof of a house.
A.
to tear away violently
B.
to produce, display, or utter suddenly
C.
to subject to violent criticism or attack
D.
None of the above
【单选题】最易引起股骨头坏死的是
A.
股骨干骨折
B.
股骨颈骨折
C.
股骨头下骨折
D.
股骨颈基底骨折
E.
股骨转子间骨折
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