皮皮学，免费搜题
登录
搜题
【单选题】
Z8-02-09一平行板电容器,两板间充满各向同性均匀电介质,已知相对介电常数为 。若极板上的自由电荷面密度为 ,则介质中电位移的大小___;电场强度的大小为:___。A.
；
B.
；
C.
；
D.
；
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A．酶促作用 B．酶抑作用 C．竞争血浆蛋白的结合 D．改变胃肠道的吸收 E．干扰药物从肾小管的重吸收 在药物相互作用中，苯巴比妥与碳酸氢钠伍用，使前者在尿中排泄增加是由于（ ）。 A． B． C． D． E．
【单选题】苯巴比妥与碳酸氢钠伍用，使前者在尿中排泄量增加是由于
A.
酶促作用
B.
酶抑作用
C.
竞争血浆蛋白的结合
D.
改变胃肠道的吸收
E.
干扰药物从肾小管的重吸收在药物相互作用中
【多选题】天然免疫细胞识别抗原的特点是:[2分]
A.
非特异性识别
B.
识别多种抗原的'共性'
C.
通过抗原特异性受体识别抗原
D.
通过模式识别受体识别抗原
E.
无MHC限制性
【单选题】What did decolonization cause?
A.
British Empire transformed into the British Commonwealth.
B.
Britain became one of the Big Three.
C.
Britain's gold reserve was increased.
D.
Britain adpted the foreign policy of three majestic circles.
【单选题】If the bidding frenzy over Safeway were any indication, you'd think that big grocery stores had become luxury collectibles. Every one of Britain's top retailers--Tesco, Wal-Mart owned Asda, Morrisons ...
A.
it has a very good reputation among customers.
B.
its stores have occupied a moderate acreage.
C.
the takeover of it enables them to expand.
D.
the takeover of it can make them the biggest retailer.
【简答题】根据短文内容，判断下列句子的正 （T）误（F）。 Last Sunday, the elephant keeper at London Zoo, Jim Robson, was killed by one of the elephants he loved. This was terrible, and it could be a big problem for the future of Lo...
【单选题】Which newspapers is not regarded as one of Britain's big three quality newspapers?
A.
The Guardian
B.
The Daily Telegraph
C.
The Daily Mail
D.
The Times
相关题目：