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【单选题】
ABO 新生儿溶血病患者 , 患儿为 B 型 , Rh(D) 阳性 ; 母亲为 O 型 , Rh(D) 阳性 , 输血时用A.
型 , Rh(D) 阳性洗涤红细胞
B.
型 , Rh(D) 阳性洗涤红细胞
C.
O 型 , Rh(D) 阳性洗涤红细胞
D.
AB 型 , Rh(D) 阳性洗涤红细胞
E.
B 型 , Rh(D) 阴性洗涤红细胞
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反馈参考答案：
举一反三
【单选题】关于码的正确描述是
A.
关系中每个单独属性均可作为码
B.
码也称关键字，它能够唯一标识一个实体。
C.
任意属性的组合均可作为码
D.
由属性组合构成的码，其各个元组的分量值均相等
【单选题】The main difficulty with teaching is the large _____ of work.
A.
number
B.
content
C.
part
D.
volume
【单选题】What is the main difficulty in recycling?
A.
Searching for the related information.
B.
Changing people's habits on rubbish disposing
C.
The fact that too much rubbish is produced.
【简答题】根据中文意思,写出英文单词或词组 感应电动机
【简答题】You
must cultivate good manners and behave like a gentleman. ( 培养 )
【简答题】请按照task2的要求,将答案按照视频要求正确朗读,提交语音。如: The main difficulty I have in time management is how to 2.根据自己的情况完成task1的测试并提交算出来的总分。如:task1 我的得分是xxx
【单选题】The main difficulty the writer had in reading in her 7th grade was that ______.
A.
she often forgot her school reading assignments
B.
she had difficulty reading with comprehension
C.
she had a poor vocabulary and very bad grammar
D.
she always looked elsewhere when asked to read
【单选题】The main difficulty in solving the food problem is ______.
A.
backward social and economical background
B.
lack of information about food needs
C.
conflicts between 'haves' and 'haves-not'
D.
lack enough funds to modernize agriculture
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