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【单选题】
一根无限长载流导体的直圆管,内外半径分别为a和b,电流I沿轴线方向流动,并均匀地分布管壁的截面上,空间某点到轴线的距离为r,求该点磁感强度的大小.A.
, ; , ; ,
B.
, ; , ; ,
C.
, ; , ; ,
D.
, ; , ; ,
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举一反三
【多选题】实习期间考试答案填涂在答题卡上进行机改,为保证机改顺利进行,考生在填涂答题卡时个人信息要填写正确,以下哪些选项要填涂()
A.
姓名
B.
班级
C.
准考证号
D.
科目
E.
科目代码
【单选题】. 方先生, 42 岁。疑为甲状腺功能亢进,清晨起床前测得血压 146/88mmHg ,脉搏 106 次 / 分。判断该病人属于
A.
正常
B.
轻度甲亢
C.
中度甲亢
D.
重度甲亢
E.
甲状腺功能低下
【单选题】Task 2 Paul is talking with Linda about her start-up on phone. Listen to the conversation and choose the best answer to each question you hear. 3. A. She employed home-based staff. B. She changed her ...
A.
She employed home-based staff.
B.
She changed her garage into an office.
C.
She took on her co-workers as partners.
D.
She did most of her work at her client’s office.
【简答题】心绞痛最基本的病因是_________引起_________
【简答题】听下面一段材料，回答第1-3题。 1. Where does the woman keep her snakes? A. In a cage. B. In her garage. C. In her garden. 2. What does the woman keep snakes for? A. For fun. B. For meat. C. For sport. 3. What can w...
【单选题】She took her car into the garage to have the noise _______.
A.
checked out
B.
check out
C.
checked in
D.
check in
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