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【单选题】
如图所示，电流I由长直导线1经a点流入由电阻均匀的导线构成的正方形线框，由b点流出，经长直导线2返回电源(导线1、2的延长线均通过O点)．设载流导线1、2和正方形线框中的电流在框中心O点产生的磁感强度分别用 【图片】、【图片】、【图片】表示，则O点的磁感强度大小【图片】
A.
B = 0 ，因为 B 1 = B 2 = B 3 = 0
B.
B = 0 ，因为虽然 B 1 ≠ 0 、 B 2 ≠ 0 、 B 3 ≠ 0 ，但
C.
B ≠ 0 ，因为虽然 ，但 B 3 ≠ 0
D.
B ≠ 0 ，因为虽然 B 3 = 0 ，但
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【多选题】建筑施工图中,标高分为_____________。
A.
绝对标高
B.
一般标高
C.
相对标高
D.
特殊标高
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【单选题】Part 1 Long Conversations (Each item: 1 point(s)) Directions: In this section, you will hear some long conversations. At the end of each conversation, some questions will be asked about what was said....
A.
He feels sick.
B.
He hates college.
C.
He misses his family.
D.
He feels comfortable.
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She doesn't like driving cars.
B.
She doesn't like the inconvenience of suburban life.
C.
She doesn't like the boring life in the suburbs.
D.
She doesn't like the supermarket there.
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【多选题】放射免疫技术适用于()精确定量测定。
A.
蛋白质
B.
激素
C.
多肽
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【单选题】Which country is geographically the largest Middle Eastern nation?
A.
Eygpt
B.
Saudi Arabia
C.
Iran
D.
Bahrain
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【判断题】2003年我国建立审计公告制度。
A.
正确
B.
错误
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【单选题】Questions 1 and 2 will be based on the following news items. 1.
A.
The number of adult girls is expected to double by 2050.
B.
Child marriage in Africa will be ended by 2050.
C.
Half woman will be married before reaching adulthood by 2050.
D.
The legal marriage age will set above 18 by 2050.
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【简答题】2015-06-CET4-LISTENING-SECTIONA.mp3: Section A Directions: In this section, you will bear 8 shortconversations and 2 long conversations. At the end of each conversation, one ormore questions will be a...
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相关题目：
【判断题】当儿童能在语言指导下调控自己或别人的行为时,则标志着其语用能力进一步完善和提高了。(
A.
正确
B.
错误
查看完整题目与答案
【判断题】2003 年我国建立审计公告制度。( )
A.
正确
B.
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【多选题】建筑施工图中,标高分为_____________。
A.
绝对标高
B.
一般标高
C.
相对标高
D.
特殊标高
查看完整题目与答案
【单选题】Part 1 Long Conversations (Each item: 1 point(s)) Directions: In this section, you will hear some long conversations. At the end of each conversation, some questions will be asked about what was said....
A.
He feels sick.
B.
He hates college.
C.
He misses his family.
D.
He feels comfortable.
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【单选题】In this section, you will hear 10 short conversations and 3 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Then circle your choice. Quest...
A.
She doesn't like driving cars.
B.
She doesn't like the inconvenience of suburban life.
C.
She doesn't like the boring life in the suburbs.
D.
She doesn't like the supermarket there.
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【多选题】放射免疫技术适用于()精确定量测定。
A.
蛋白质
B.
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C.
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【单选题】Which country is geographically the largest Middle Eastern nation?
A.
Eygpt
B.
Saudi Arabia
C.
Iran
D.
Bahrain
查看完整题目与答案
【判断题】2003年我国建立审计公告制度。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Questions 1 and 2 will be based on the following news items. 1.
A.
The number of adult girls is expected to double by 2050.
B.
Child marriage in Africa will be ended by 2050.
C.
Half woman will be married before reaching adulthood by 2050.
D.
The legal marriage age will set above 18 by 2050.
查看完整题目与答案
【简答题】2015-06-CET4-LISTENING-SECTIONA.mp3: Section A Directions: In this section, you will bear 8 shortconversations and 2 long conversations. At the end of each conversation, one ormore questions will be a...
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