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【单选题】
在三相四线制供电系统中,中性线的作用是()
A.
使不对称负载的功率对称
B.
使不对称负载的相电压对称
C.
使电源的线电压对称
D.
构成电流回路
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【单选题】The smile on Mary's face shows that she is ____ her work. [     ]
A.
worried about
B.
pleased with
C.
sorry for
D.
afraid of
【简答题】D_______(1) the vast amount of d______ (2)available for us to download from the worldwide web ,we still face a problem in how to make the best use of it .Data on its own has its l_______(3) .it is onl...
【判断题】设 和 都是三次多项式,则 也是三次多项式?
A.
正确
B.
错误
【单选题】患者女性,82岁,昏迷。卧床4天。近日发现其骶尾部出现红、肿、热。但皮肤表面无破损。该期属于压疮的
A.
淤血红润期
B.
炎性红润期
C.
浅度溃疡期
D.
深度溃疡期
E.
坏死期
【单选题】A 2-year-old girl with itchy skin and respiratory distress is brought to the emergency room by her parents 30 minutes after eating peanut butter cookies. On physical examination, the patient shows flu...
A.
Eosinophils
B.
Macrophages
C.
Mast cells
D.
Neutrophils
E.
Plasma cells
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A.
正确
B.
错误
【单选题】A female patient pays a visit to your office today. She presents with facial edema, thick wide face and dull eyes. During communication she looks a little unresponsive. Physical examination shows that...
A.
Pneumonia
B.
Leukemia
C.
Anemia
D.
Tuberculosis
E.
Hypothyroidism
【单选题】A 45 years old 55kg female suffered from a fire accident. Her face, neck and ½ anterior trunk shows a reddish appearance with large blisters, pain touched. Both of her lower limbs, left hand and forea...
A.
4867.5ml
B.
6867.5ml
C.
6785ml
D.
4950ml
【单选题】工序质量包括工序作业条件和作业效果质量。工程项目的施工过程是由一系列相互关联、相互制约的工序构成的,()是基础,直接影响工程项目的产品质量。
A.
工作质量
B.
工序质量
C.
材料质量
D.
管理质量
【单选题】Directions: Choose the one that best completes the sentence, or fully expresses the meaning of the given word. “You’ve no doubt seen those TV shows where the child who has ‘made it’ is confronted, as ...
A.
to be reproached
B.
to be challenged
C.
to be cross-examined
D.
to be face to face with
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