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【简答题】
观察四幅图,请填空: (1)图中属于第一道防线的是______;图中属于第三道防线的是______. (2)属于特异性免疫的有______.
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参考答案:
举一反三
【多选题】直流电动机常用起动方法( )。
A.
电枢回路串电阻起动
B.
降压起动
C.
直接起动
D.
星三角形降压起动
【单选题】The poet _____ the woman he loves to a rose.
A.
contrasts
B.
compares
C.
compels
D.
companies
【简答题】He was (honor) ______ as the king of silent films.
【简答题】阅读理解。 My uncle has a great sports collection. He loves sports very much. And he loves all balls. He likes playing basketball and volleyball.And he likes playing basketball and volleyball. He also like...
【单选题】What would the man love to do?
A.
He loves to look after his cat.
B.
He loves to take care of her cat.
C.
He wouldn't like to do it.
【简答题】表示医嘱已执行( )|表示医嘱已转抄( )|表示药物过敏试验阳性( )|表示药物过敏试验阴性( )A. 医嘱本上红“√”标志B. 医嘱本上蓝“√”标志C. 医嘱本上蓝色“(-)”标志D. 医嘱本上红色“(+)”E. 医嘱本上蓝色直线
【简答题】阅读理解。 My father has a great sports collection. He loves sports very much. And he loves all balls. He likes playing basketball and volleyball. And he likes playing baseball and tennis. He also likes wa...
【简答题】阅读理解。 My uncle has a great sports collection. He loves sports very much. And he loves all balls. He likes playing basketball and volleyball. He also likes watching balls. How many balls does he ha...
【多选题】直流电动机的起动方法有( )
A.
直接起动
B.
升压起动
C.
降压起动
D.
电枢回路串电阻起动 E 弱磁起动
E.
弱磁起动
【多选题】直流电动机起动的方法有
A.
电枢回路串电阻分级起动
B.
降压起动
C.
调波起动
D.
升压起动
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