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搜题
【单选题】
用于冲洗智齿冠周炎的过氧化氢溶液的浓度应是（）A.
0.1％～0.3％
B.
0.5％～0.9％
C.
1％～3％
D.
1.5％～2％
E.
3％～5％
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【单选题】Which of the following is not right about Content-based Instruction?
A.
Language is text-based and discourse-based.
B.
Language is purposeful.
C.
All content areas are more useful as a basis for language learning than others.
D.
Students learn best when instruction addresses students' needs.
【简答题】Content-based Video Retrieval is the process of attaching content based __________ to video shots and is essential for content-based classification and retrieval.
【单选题】Based on the tone and content of the passage, it is most likely which of the following?
A.
A book review in a journal intended for astrophysics professionals
B.
A movie review in an entertainment industry publication
C.
A book review in a science magazine aimed at a general audience
D.
A book review in a newspaper
E.
A transcript. of a talk given at a science fiction convention dedicated to 'the poetry of space'
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