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【单选题】
再生障碍性贫血的诊断主要依据是:
A.
外血全盘细胞减少
B.
网织红细胞减少
C.
中性粒细胞碱性磷酸酶活性增高
D.
无肝脾肿大
E.
上述都不是
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【简答题】完形填空。 Lisa has always been overweight. She wanted to lose weight, not just because she wanted to 1 more beautiful and he healthier, but also because it would make life easier. For example, it was 2 fo...
【判断题】电网额定电压是指线路的额定电压。()
A.
正确
B.
错误
【简答题】时间继电器的作用是(),中间继电器的作用是中转和放大,信号继电器的作用是(),在继电保护装置中,它们都采用电磁式结构。
【多选题】关于变压器的额定电压,正确的描述是( )。
A.
额定电压是指变压器线电压
B.
额定电压与所连接的输变电线路电压相符合
C.
额定电压是指变压器相电压
D.
额定电压小于所连接的输变电线路电压
【单选题】She gave her money away because__________.
A.
she wanted to help the university
B.
she wanted others to have the chance to become nurses
C.
she wanted others to have the opportunity to escape a hard life
D.
she want to be remembered after her death
【单选题】额定绝缘电压与额定工作电压的数值()。
A.
应该相同
B.
额定绝缘电压不小于额定工作电压
C.
额定工作电压不小于额定绝缘电压
【单选题】- You were _____ about Jane. She really wanted to help you. - Sorry, I thought she wanted to laugh at me as usual. [     ]
A.
mistaken
B.
thankful
C.
wrong
D.
straightforward
【简答题】简述电流继电器、电压继电器和中间继电器的作用?
【简答题】是下列哪个汽车品牌的标志____。
【简答题】时间继电器的作用是(),中间继电器的作用是中转和放大,信号继电器的作用是动作指示,在继电保护装置中,它们都采用()式结构。
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