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【简答题】
根据酸碱质子理论,CO32-是 其共轭酸是 H2PO4-是 物质,它的共轭酸是 它的共轭碱是
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参考答案：
举一反三
【简答题】A．He is living in an apartment in the city. B．He is helping his brother look for an apartment. C．He already found an apartment. D．lie is looking for an apartment with a girl.
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【简答题】A．He is late for his work. B．It takes long time for him to go to work. C．He is excited for driving to work. D．He just drove to make sure the time to get to work.
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【简答题】A．He is using his computer for work purposes. B．He often plays s on his computer. C．His computer makes his life easier. D．His cannot use a computer.
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【单选题】对成人进行胸外按压的按压深度（）厘米。
A.
15.5-28
B.
5-15
C.
3.8-5
D.
4-25
查看完整题目与答案
【多选题】膜型免疫分子包括
A.
BCR
B.
TCR
C.
MHC
D.
CD分子
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【简答题】A．He is looking for a job. B．He is looking at his girlfriend. C．He is buying something for his girlfriend. D．He is introducing himself.
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【单选题】成人胸外按压的深度和频率为
A.
1～3cm，80～100次／分
B.
2．5～4cm，80～100次／分
C.
4～5cm，80～100次／分
D.
2．5～4cm，100次／分
E.
4～5cm，100次／分
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【单选题】成人行CPR时,胸外按压的深度
A.
至少胸廓前后径的一半
B.
至少3cm
C.
至少5cm
D.
5cm-6cm
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【单选题】Although he is always coming on time，he is used late for his class.
A.
to have students
B.
for students’ being
C.
to students’ being
D.
for students’ to be
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【单选题】Why is Mr. Smith running in the street'?
A.
He is doing exercises.
B.
He is looking for his cap.
C.
He is looking for his cat.
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相关题目：
【简答题】A．He is living in an apartment in the city. B．He is helping his brother look for an apartment. C．He already found an apartment. D．lie is looking for an apartment with a girl.
查看完整题目与答案
【简答题】A．He is late for his work. B．It takes long time for him to go to work. C．He is excited for driving to work. D．He just drove to make sure the time to get to work.
查看完整题目与答案
【简答题】A．He is using his computer for work purposes. B．He often plays s on his computer. C．His computer makes his life easier. D．His cannot use a computer.
查看完整题目与答案
【单选题】对成人进行胸外按压的按压深度（）厘米。
A.
15.5-28
B.
5-15
C.
3.8-5
D.
4-25
查看完整题目与答案
【多选题】膜型免疫分子包括
A.
BCR
B.
TCR
C.
MHC
D.
CD分子
查看完整题目与答案
【简答题】A．He is looking for a job. B．He is looking at his girlfriend. C．He is buying something for his girlfriend. D．He is introducing himself.
查看完整题目与答案
【单选题】成人胸外按压的深度和频率为
A.
1～3cm，80～100次／分
B.
2．5～4cm，80～100次／分
C.
4～5cm，80～100次／分
D.
2．5～4cm，100次／分
E.
4～5cm，100次／分
查看完整题目与答案
【单选题】成人行CPR时,胸外按压的深度
A.
至少胸廓前后径的一半
B.
至少3cm
C.
至少5cm
D.
5cm-6cm
查看完整题目与答案
【单选题】Although he is always coming on time，he is used late for his class.
A.
to have students
B.
for students’ being
C.
to students’ being
D.
for students’ to be
查看完整题目与答案
【单选题】Why is Mr. Smith running in the street'?
A.
He is doing exercises.
B.
He is looking for his cap.
C.
He is looking for his cat.
查看完整题目与答案
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