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【单选题】
胎儿可通过胎盘从母体获得的免疫球蛋白是A.
IgM
B.
IgA
C.
IgG
D.
sIgA
E.
IgE
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反馈参考答案：
举一反三
【单选题】Who was injured in the accident?
A.
Nobody.
B.
The bus driver.
C.
Paul.
D.
The two girls.
【单选题】It was not the cyclists but the driver who ________ for the traffic accident. [ ]
A.
were blamed
B.
was to blame
C.
was to be blamed
D.
were to blame
【简答题】国家实行劳动者每日工作8小时，每周工作（）的工作。
【单选题】下列问题基于以下叙述：有关系模式A(C，T，H,R,S)，其中各属性的含义是：C：课程 T：教员 H：上课时间 R：教室 S：学生根据语义有如下函数依赖集：F＝{C→T，(H，R)→C，(H，T)→R,(H，S)→R) 将关系模式A分解为两个关系模式A1(C，T)，A2(H，R，S)，则其中A1的规范化程度达到______。
A.
1NF
B.
2NF
C.
3NF
D.
BCNF
【单选题】Who was badly injured? A.The teacher. B.The bus driver. C.The truck driver.
A.
B.
C.
C
【单选题】It was not the cyclist but the driver who ________ for the traffic accident. [ ]
A.
was blamed
B.
was to blame
C.
was to be blamed
D.
were to blame
【简答题】It was not the cyclists but the driver who ________ for the traffic accident. [ ] A．were blamed B. was to blame C．was to be blamed D．were to blame
【单选题】The slender woman who lay on the freeway shoulder
A.
is dead.
B.
was the driver of the van.
C.
was killed in an accident.
D.
was a poor driver.
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