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【单选题】
KMnO4法测定石灰中的CaO含量，先沉淀为CaC2O4，再经过滤、洗涤后溶于H2SO4中，最后用KMnO4滴定H2C2O4，Ca的基本单元为
A.
Ca
B.
1/2Ca
C.
1/5Ca
D.
1/3Ca
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参考答案：
举一反三
【多选题】I f we are looking for a venue to hold a trade show, what should we take into consideration ?
A.
The services offered from the exhibition center
B.
How many exhibition halls there are in the center
C.
Who will enter the exhibition center
D.
The distance from the airport or station to the exhibition center
E.
If the staff in the center have experience
查看完整题目与答案
【单选题】女性病人,52岁。B超检查发现肝占位性病变l周,查肝功能正常。下列哪项阳性最有助于诊断原发性肝癌
A.
CEA
B.
AFP
C.
MRI
D.
CT
E.
B-US
查看完整题目与答案
【单选题】螺丝：螺母
A.
门板：门框
B.
天台：地板
C.
时针：齿轮
D.
水泥：沙浆
查看完整题目与答案
【判断题】民用建筑是供人们居住、生活、工作和从事文化、商业、医疗、交通等公共活动的房屋。
A.
正确
B.
错误
查看完整题目与答案
【单选题】—I don’t like reading_________ watching TV. What about you? —I don’t like reading all day,_________ I like watching TV news.
A.
and;or
B.
and;and
C.
or;and
D.
or;but
查看完整题目与答案
【简答题】—I don't like reading________ watching TV. What about you? —I don't like reading all day,________ I like watching TV news.A. and; or B. and; and C. or; and D. or; but
查看完整题目与答案
【单选题】---Jim, could you tell me where we can get some food to eat? ---What kind of food are you looking ?
A.
for
B.
after
C.
at
D.
up
查看完整题目与答案
【多选题】司机门由门板、门框、 、 等构成。
A.
闭门器
B.
推杆锁
查看完整题目与答案
【单选题】---I don’t like reading ______ watching TV. What about you? -I don’t like reading all day, ______ I like watching TV news.
A.
and, or
B.
and, and
C.
or, and
D.
or, but
查看完整题目与答案
【单选题】女性病人,52岁。B超检查发现肝占位性病变1周,查肝功能正常。下列哪项阳性最有助于诊断原发性肝癌:
A.
CEA
B.
AFP
C.
MRI
D.
CT
E.
B-US
查看完整题目与答案
相关题目：
【多选题】I f we are looking for a venue to hold a trade show, what should we take into consideration ?
A.
The services offered from the exhibition center
B.
How many exhibition halls there are in the center
C.
Who will enter the exhibition center
D.
The distance from the airport or station to the exhibition center
E.
If the staff in the center have experience
查看完整题目与答案
【单选题】女性病人,52岁。B超检查发现肝占位性病变l周,查肝功能正常。下列哪项阳性最有助于诊断原发性肝癌
A.
CEA
B.
AFP
C.
MRI
D.
CT
E.
B-US
查看完整题目与答案
【单选题】螺丝：螺母
A.
门板：门框
B.
天台：地板
C.
时针：齿轮
D.
水泥：沙浆
查看完整题目与答案
【判断题】民用建筑是供人们居住、生活、工作和从事文化、商业、医疗、交通等公共活动的房屋。
A.
正确
B.
错误
查看完整题目与答案
【单选题】—I don’t like reading_________ watching TV. What about you? —I don’t like reading all day,_________ I like watching TV news.
A.
and;or
B.
and;and
C.
or;and
D.
or;but
查看完整题目与答案
【简答题】—I don't like reading________ watching TV. What about you? —I don't like reading all day,________ I like watching TV news.A. and; or B. and; and C. or; and D. or; but
查看完整题目与答案
【单选题】---Jim, could you tell me where we can get some food to eat? ---What kind of food are you looking ?
A.
for
B.
after
C.
at
D.
up
查看完整题目与答案
【多选题】司机门由门板、门框、 、 等构成。
A.
闭门器
B.
推杆锁
查看完整题目与答案
【单选题】---I don’t like reading ______ watching TV. What about you? -I don’t like reading all day, ______ I like watching TV news.
A.
and, or
B.
and, and
C.
or, and
D.
or, but
查看完整题目与答案
【单选题】女性病人,52岁。B超检查发现肝占位性病变1周,查肝功能正常。下列哪项阳性最有助于诊断原发性肝癌:
A.
CEA
B.
AFP
C.
MRI
D.
CT
E.
B-US
查看完整题目与答案
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