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【单选题】
生物进化的内在因素是 。A.
自然选择
B.
遗传和变异
C.
生存斗争
D.
适者生存
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举一反三
【单选题】张先生,52岁,食管癌手术后第3天拔除胃管后口服流食,第5天体温升高至39°C ,呼吸困难、胸痛、脉速,胸透发现手术侧胸腔积液,应首先考虑并发
A.
肺炎
B.
胸膜炎
C.
切口感染
D.
食管吻合口瘘
E.
癌肿播散
【简答题】Speech patterns that deviated from the written rules were considered , or signs of low social status, and many people who had grown up speaking in these ways were forced to adopt the standardized form...
【多选题】Yuan Longping looks like a farmer in these ways: (多选)
A.
he can't speak English
B.
his face and arms are sunburnt
C.
his body is slim and strong
D.
he lives in the countryside
【单选题】Eliminate these silos , and computing and communications will change in profound ways.
A.
tall towers or pits on a farm used to store grain; underground chambers in which a guided missile is kept ready for firing
B.
systems, processes, departments etc. that operate in isolation from others
【单选题】How to keep healthy mentally?
A.
Listen to the music and go to the pub regularly.
B.
Play with friends happily and go outing reluctantly.
C.
Listen to the music and play with friends happily.
D.
Go to the pub regularly and go outing reluctantly.
【单选题】张先生,52岁。食管癌术后第3天拔除胃管后口服流质,第5天体温升高到39°C,呼吸困难、胸痛、脉速、胸透发生手术侧胸腔积液,应首先考虑并发
A.
肺炎
B.
胸膜炎
C.
切口感染
D.
食管吻合口瘘
E.
癌肿播散
【单选题】Which of the following is NOT among the functions of the communications dust according to the passage?
A.
To monitor light.
B.
To change color.
C.
To show movies.
D.
To play music.
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