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【单选题】
关于康普顿效应发生的几率错误的是A.
与物质的原子序数成正比
B.
与入射光子的频率成反比
C.
比入射光子的能量成反比
D.
与入射光子的波长成正比
E.
与入射光子频率成正比
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【单选题】水文气象、主机转速等详细信息 III 航迹上的时间标记 IV 至少显示过去12小时的历史航迹 V 历史航迹选择显示452
A.
Ⅰ II IV
B.
I III IV
C.
III IV
D.
II～Ⅵ
【单选题】水文气象、主机转速等详细信息 III 航迹上的时间标记 IV 至少显示过去12小时的历史航迹 V 选择显示过去某时段的航迹453
A.
Ⅰ II IV
B.
I III IV
C.
III IV
D.
II～Ⅵ
【单选题】听力原文：M: As a means of international settlement, what is the main role of a credit card? W: Its main role is to transfer the payment obligation from payer to bank. It makes the payment safer for the ex...
A.
It is to transfer the contract from bank to customer.
B.
It is to transfer the payment obligation from buyer to seller through banks.
C.
It is to transfer the confirmation from the issuing bank to confirming bank.
D.
It is to transfer the documents from advising bank to issuing bank.
【单选题】The main idea of this passage is ______.
A.
the role of computers in business
B.
tomorrow's promises of computers
C.
the wrong prediction of computers
D.
the basic knowledge of operating computers
【单选题】The main idea of this passage is ______.
A.
the destructive role of utter pessimism
B.
achieving success regardless of criticism
C.
no cracking down, no building up
D.
one should learn to handle stresses
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