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【单选题】
Could you finish the task in two days?_____A.
I'm afraind not
B.
I'm afraid so
C.
yes, I think so
D.
I could not
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反馈参考答案：
举一反三
【简答题】什么是心脏起搏器?
【单选题】When pitch, stress and length variations are tied to the sentence rather than to the word, they are collectively known as ________.
A.
intonation
B.
tone
C.
phoneme
D.
sentence stress
【简答题】心脏起搏器
【判断题】In the business buying center, buyers are given formal responsibility for making the purchase while deciders are the individuals who authorize those decisions.
A.
正确
B.
错误
【单选题】When pitch, stress and length variations are tied to the sentence rather than to the word, they are collectively known as __________.
A.
tone
B.
intonation
C.
phoneme
D.
sentence stress
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