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【简答题】
如图所示电路为 — 具有过载、短路、失压保护.可在三处启停的三相异步电动机的控制电路.图中有错误.请说明图中的错误之处;并画出正确的控制电路。
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【多选题】转向驱动桥具有转向节、主销、轮毂,还具有
A.
主减速器
B.
差速器
C.
半轴
D.
转向器
【简答题】It was New Year’s Night. An aged man was standing at a window. He raised his mournful eyes towards the deep blue sky, where the stars were floating like white lilies on the suce of a clear calm lak...
【单选题】I saw an old man was standing at the corner, with a hat in his hand,____ handouts(施舍物)
A.
waited for given
B.
waiting for being giving
C.
waited to be given
D.
waiting to be given
【单选题】A giant of a man was standing in the doorway. His face was almost completely hidden by a long and untidy hair and a wild beard, but you ______ make out his eyes, shining like black beetles under all t...
A.
might
B.
could
C.
should
D.
would
【单选题】预防心绞痛发作常选用
A.
硝酸甘油
B.
普萘洛尔
C.
美托洛尔
D.
硝苯地平
E.
硝酸异山梨脂
【单选题】预防心绞痛发作常选用
A.
硝酸甘油
B.
戊四硝酯
C.
硝苯地平
D.
普萘洛尔
E.
硝酸异山梨酯
【单选题】Tom found a bridge ______ the river, and a man was standing on it.
A.
on
B.
over
C.
under
D.
in
【单选题】预防心绞痛发作常选用
A.
硝酸甘油
B.
普萘洛尔
C.
美托洛尔
D.
硝苯地平
E.
硝酸异山梨酯
【简答题】It was New Year’s Night. An aged man was standing at a window. He raised his mournful eyes towards the deep blue sky, where the stars were floating like white lilies on the suce of a clear calm lak...
【多选题】治疗胃肠型感冒(风寒感冒兼有脾胃气滞症)宜选
A.
生姜
B.
香薷
C.
麻黄
D.
紫苏
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