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【单选题】
对于压电振子的低频指的是A.
外加电场频率高于反谐振频率
B.
外加电场频率远低于谐振频率
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反馈参考答案：
举一反三
【简答题】After a long day at school, I walked home with my heavy schoolbag . By the time I got home, I was sweaty, 16 and hungry. I threw my things on the couch and grabbed something from the kitchen to 17 . I...
【单选题】The passenger was tired and walked slowly but he got home _____. [ ]
A.
after all
B.
at all
C.
above all
D.
in all
【简答题】D When I walked into the house after school, I found my dad at home. 'What are you doing home already?' I asked casually. 'Andrew, I was laid off today,' he answered quietly. I was sure he was joking....
【单选题】She walked home by herself at night, _____ she knew that it was dangerous.
A.
once
B.
as
C.
unless
D.
although
【简答题】急性心肌梗死患者心电监护示“室颤"立即进行抢救,行_____________。
【单选题】How did the man get home?
A.
He took a bus and walked a long way home.
B.
He took another train.
C.
He walked home.
【单选题】隐性黄疸胆红素水平为
A.
小于17.1μmol/L
B.
17.1～34.2μmol/L
C.
34.2～171μmol/L
D.
171～342μmol/L
E.
＞342μmol/L
【简答题】They walked home the park.
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