由磁感应强度的定义式B=可知( ) A.磁感应强度与通电导线受到的磁场力成正比

题型:选择题

问题:

由磁感应强度的定义式B=可知(   )

A.磁感应强度与通电导线受到的磁场力成正比,与电流强度和导线长度的乘积成反比

B.磁感强度的方向与F的方向一致

C.公式B=只适用于匀强磁场

D.只要满足L很短、I很小的条件,B=对任何磁场都成立

考点:磁感应强度
题型:选择题

用一批纸装订练习本,每本32页,可以装订成15本.如果装订成24本,平均每本是多少页?

题型:选择题

患者男性,26岁。某日夜班后第2天即因左下第三磨牙疼痛而就诊,医师建议拔除该牙。故行左下牙槽神经阻滞麻醉。麻醉完毕患者即出现胸闷,面色苍白,全身冷汗等表现,检查四肢厥冷无力,面弱,恶心,呼吸急促,伴有短暂的意识丧失,经放平椅位,松解衣领,给予静脉注射高渗葡萄糖后,上述症状消失,患者恢复正常。该患者最可能出现的并发症是()

A.局麻后毒性反应

B.肾上腺素反应

C.过敏反应

D.晕厥反应

E.癔病

题型:选择题
We supply the bike, panniers, all the support gear, easy to follow maps, cycle routes and either the accommodation or several accommodation suggestions depending on the tour.
All you need to do is bring your cycle gear. Book your accommodation off the detailed list  if required, and you are all set for a cheap, environmentally friendly holiday in New Zealand.
We do all the hard work of sorting routes and where to stay — you just relax and enjoy the riding! Too easy.
There are more tours to come so if you don’t see a tour that suits your needs let us know!
 Tour
Grade
Cost from
Options
2 Day Self Guided Road Tour Banks Peninsula
2
$182

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2 days of self guided cycling on Banks Peninsula roads. Includes bike hire, trip notes, panniers and lots great riding around lyttelton Harbour.
3 Day Self Guided Road Tour Canterbury and the Southern Alps
2
$215

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An easy three day introduction to cycle touring to the inexperienced cyclist. From the high alpine passes of Arthur Pass cross the fertile Canterbury plains to the endless sandy east coast beaches.
5 Day Self Guided Road Tour Christchurch to Queenstown
4
$480

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The wonderful and wild West Coast in a flash! For the fit and keen cyclist
6 Day Self Guided Road Tour Christchurch to Queenstown
2
$365

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A tour that gets you from Christchurch to Queenstown a different way with far less hills! Cycling through the center of the South Island where great feast of fresh Salmon and breath taking views of Mt Cook await.
8 Day Self Guided Road Tour Christchurch to Queenstown
3
$390

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From Christchurch to Queenstown in eight days down the West coast. The Transalpine does the hard work for you across Arthurs Pass and drops you in Greymouth for the start of your tour.
小题1:If you learned how to ride bike only a week ago, you should choose _______.
A.2 Day Self Guided Road TourB.3 Day Self Guided Road Tour
C.5 Day Self Guided Road TourD.8 Day Self Guided Road Tour
小题2:Where can we mostly see the passage?
A.NewspaperB.TVC.InternetD.Magazine
小题3:What do you have to do when you want to enjoy your cycle tour?
A.Bring your cycle gear.
B.Bring your support gear and book your accommodation.
C.Book your accommodation.
D.Bring your bike gear and do some hard work.
题型:选择题

药材的乙醚浸出液挥干后,残渣加冰醋酸1ml使溶解,再如浓硫酸1滴,放置,溶液呈紫棕色,此药材是

A.牡丹皮
B.厚朴
C.肉桂
D.白鲜皮
E.黄柏

题型:选择题

患儿男,8个月,出生时臀位产,产程延长,体重4500克。无感染史,至今左臂松软、无自主运动,无其他异常,实验室检查正常。最有可能的诊断是()

A.脊柱裂

B.脑性瘫痪

C.脊髓灰质炎

D.臂丛神经麻痹

E.进行性肌营养不良

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