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【单选题】
在康普顿散射中，若散射x光波长是入射x光波长的 1.2 倍，则散射x光子能量与反冲电子动能之比为：A.
2
B.
3
C.
4
D.
5
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皮皮学刷刷变学霸
举一反三
【简答题】Listen to five short dialogues and choose the appropriate answers.
【简答题】Listen to five short conversations once and choose the best answers.
【单选题】根据支付结算法律制度的规定,下列关于票据提示付款期限的表述中,正确的是( )。
A.
支票的提示付款期限是自出票日起1个月
B.
银行汇票的提示付款期限是自出票日起1个月
C.
商业汇票的提示付款期限是自到期日起1个月
D.
银行本票的提示付款期限是自出票日起1个月
【单选题】Short coversations Listen to five short conversations and choose the best answer to each question you hear
A.
The man always gets poor grades for his term papers.
B.
The woman should seek help from the writing center.
C.
The man had his paper rejected for the third time.
D.
The woman does not really care about her language problems.
【单选题】Short conversations Listen to five short conversations and choose the best answer to each question you hear.
A.
What the man will do after graduation.
B.
Whether the job market is going to improve.
C.
Whether the man should go to graduate school.
D.
What the man should do in his last year of college.
【单选题】Where will she go to study at?
A.
Peking University.
B.
Cambridge University.
C.
Oxford University.
【多选题】根据支付结算法律制度的规定，下列票据的提示付款期限正确的有
A.
银行汇票的提示付款期限为自出票之日起1个月
B.
银行本票的提示付款期限为自出票之日起6个月
C.
商业汇票的提示付款期限为自票据到期之日起10天
D.
支票的提示付款期限为自出票之日起10天
【简答题】Listen to five short dialogs and choose the best answer to each question.
【简答题】Listen to five short dialogues and select the correct answers.
【简答题】Listen to five short dialogues and choose the appropriate answers.
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