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【多选题】
某水样用的0.1000mol/LHCl溶液滴定至酚酞终点，用去18.00ml，再加入甲基橙又用0.1000mol/LHCl溶液滴定至终点，用去23.00ml，此水样中含（）。A.
NaCO3
B.
NaHCO3
C.
NaOH
D.
Hac
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举一反三
【单选题】What is not true about the intonation in English?
A.
We can use a rising tone to show the sentence is not finished yet.
B.
We can use a rising tone to indicate old information, falling tone to indicate new information.
C.
If we do not use the rising and falling tones in the correct place, people will not be able to tell whether we have finished talking.
D.
Rising falling intonation can not be used to express positive or negative feelings..
【判断题】Intonation is used to convey our feelings and attitude. The same sentence can be said in different ways to express happiness, gratitude, anger, boredom, etc.
A.
正确
B.
错误
【单选题】In the Attitudinal Function, _______ is used to show one's feeling of hesitation, contrast, reservation or doubt.
A.
falling intonation
B.
rising intonation
C.
rising-falling intonation
D.
falling-rising intonation
【单选题】What is used by native speakers to express meanings in many subtle ways such as surprise, complaint, sarcasm, friendliness, threats, etc.? ( )
A.
Pronunciation
B.
Phonology
C.
Intonation
D.
Morphology
【单选题】What is used to express meanings in many subtle ways such as surprise, complaint, sarcasm, delighted, threats, etc.? ( )
A.
Pronunciation
B.
Phonology
C.
Intonation
D.
morphology
【多选题】Intonation is variation of spoken pitch that is not used to distinguish words; instead it is used for a range of functions :
A.
indicating the attitudes and emotions of the speaker
B.
signaling the difference between statements and questions
C.
focusing attention on important elements of the spoken message
D.
helping to regulate conversational interaction
【单选题】从A、B、C、D四个选项中，选择一个最贴近的答案完成填空。The word __________ is often used to describe the relative highness or lowness of the voice.
A.
intonation
B.
pitch
C.
range
D.
nucleus
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