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【单选题】
人们的通信工具从跑马送信电报电话到手机网络;手机的体积越来越小,但功能却越来越多。这表明( )A.
新事物是对旧事物的彻底否定
B.
新事物的发展变化是杂乱无章的预能知，恭州银况
C.
事物的任何变化都是根本性质的变化
D.
事物的发展是一个由低级到高级的过程
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皮皮学刷刷变学霸
举一反三
【单选题】The girl will not become a nurse because she will faint at the ______ of blood.
A.
vision
B.
eyes
C.
sight
D.
view
【判断题】The nurse suggests that Peter should try to avoid staying with his family members.
A.
正确
B.
错误
【简答题】If A=[11,22,21],then min(A)=(_);
【简答题】20-10 三相异步电动机运行时,若负载转矩不变而电源电压下降10%,对电机的同步转速 、转子转速n、主磁通 、转子电流 ,转子功率因数 、定子电流 等有何影响?如果负载转矩为额定转矩,长期低电压运行,会有何后果?
【单选题】Which finding suggests to the nurse that a client with bleeding esophageal varices is experiencing a side or adverse effect of vasopressin therapy?
A.
Complaints of chest pain
B.
Bounding peripheral pulses
C.
Temperature of 102°F (39.8°C)
D.
Blood urea nitrogen (BUN) of 20 mg/dL (7.1 mmol/L)
【单选题】When tomatoes were brought to Europe from America, people who bought them thought they _____ red apples. [ ]
A.
had bought
B.
bought
C.
were buying
D.
would buy
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