皮皮学，免费搜题
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【单选题】
在紫外 - 可见分光光度法中,透射光强度 ( I t ) 与入射光强度 ( I o ) 之比 I t / I o 称为A.
吸光度
B.
吸收系数
C.
透光率
D.
吸收率
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】颊(颊长)神经阻滞麻醉区域是
A.
同侧下颌第二前磨牙及磨牙颊侧牙龈、黏骨膜、颊部黏膜、颊肌和皮肤
B.
同侧下颌前磨牙及磨牙颊侧牙龈、黏骨膜、颊部黏膜、颊肌和皮肤
C.
同侧下颌第一前磨牙颊侧牙龈、黏骨膜、颊部黏膜、颊肌和皮肤
D.
同侧下颌第一、二前磨牙颊侧牙龈、黏骨膜、颊部黏膜、颊肌和皮肤
E.
同侧下颌前牙颊侧牙龈、黏骨膜、颊部黏膜、颊肌和皮肤
【简答题】3 如何查找一个元件?
【单选题】___________ couldn’t help stopping to listen to the blind performer’s wonderful music and leavin
A.
22. ___________ couldn’t help stopping to listen to the blind performer’s wonderful music and leaving him some ___________. A．Passer-bys;changes
B.
Passers-by;change
C.
Passer-bys;change
D.
Passers-by;changes
【单选题】__________ that you ve got something to do in the evening, I won t keep you.
A.
Since
B.
Now
C.
When
D.
For
【简答题】Now listen to the following recording and answer questions 20 to 22.
【单选题】Listen to the conversation and choose the best answer.
A.
Fishing by the stream.
B.
Watching birds in the park.
C.
Walking home from work.
D.
Walking to work.
【单选题】Listen to the conversation and choose the best answer.
A.
What movie to see.
B.
The weekend shopping.
C.
The weekend party.
D.
The weekend arrangement.
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