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【单选题】
表示驱动电机、驱动电机控制器或驱动电机系统的转速、转矩、功率、电压、电流等参数间的关系是( )。A.
额定电压
B.
最高工作电压
C.
输入输出特性
D.
持续转矩
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反馈参考答案：
举一反三
【单选题】关于人工喂养，下列哪种说法不正确
A.
新生儿应用稀释的牛乳喂养
B.
加糖是为了增加甜味，使婴儿更易接受
C.
奶类应煮沸消毒后进行喂养
D.
食量有一定程度的个体差异
E.
最好分次配制
【单选题】She asked me ____ knock off the glass. [ ]
A.
please be careful not to
B.
to be careful not to
C.
to be careful to not
D.
not to be careful to
【单选题】He often tells the children _____ when they play water sports. [ ]
A.
be careful
B.
to be careful with
C.
to be careful
D.
not be careless
【单选题】—Be careful not to drop the Tang Dynasty vase . —Yes , we can’t be .
A.
too careful
B.
very careful
C.
too careless
D.
careless enough
【单选题】It's important ______ fire. [ ]
A.
to care
B.
be careful
C.
to be careful
D.
to be careful with
【单选题】What did Helen have to be careful to hide?
A.
Her lack of interest in history.
B.
Her low opinion of her husband's writing.
C.
Her dislike of her husband's admirers.
D.
Her inability to understand his books.
相关题目：
【单选题】关于人工喂养，下列哪种说法不正确
A.
新生儿应用稀释的牛乳喂养
B.
加糖是为了增加甜味，使婴儿更易接受
C.
奶类应煮沸消毒后进行喂养
D.
食量有一定程度的个体差异
E.
最好分次配制
参考解析：
知识点：
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