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【多选题】
免费型商业模式是为了
A.
获取客户、锁定客户而进行的营销策略
B.
占据市场
C.
更好地收费
D.
收 “他”的钱
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【单选题】下列关于班级管理的描述,错误的是( )。
A.
班级管理是直线式发展的静态过程
B.
班级管理的主要手段有计划、组织、协调、控制
C.
班级管理是一种有目的的教育活动,它的根本目的是实现教育目标
D.
班级管理是一种组织活动的过程,体现了教师与学生之间的双向活动
【单选题】下列全控型器件中属于电流驱动型器件的是( )
A.
GTR , MOSFET
B.
GTO , GTR
C.
MOSFET , IGBT
D.
IGBT , IGCT
【单选题】以下不属于电流驱动的器件是
A.
SCR
B.
GTO
C.
GTR
D.
IGBT
【判断题】增殖的玻璃体对视网膜产生牵拉,形成视网膜脱离。
A.
正确
B.
错误
【单选题】According to the passage, which of the following statements is true about the two writers?
A.
Mark Twain writes about the reality of the then America.
B.
Henry James' writings are about soldiers at the frontier.
C.
Henry James tries to analyze the Americans' spirits.
D.
Mark Twain's writings are in a chronological order.
【单选题】属于电流驱动的器件是( )
A.
IGBT
B.
GTR
C.
MOSFET
D.
IGCT
【简答题】Dear Uncle Ric , We were very sorry to hear that you are in hospital again , but I feel sure you'll be out and about again soon. It doesn't sound very serious this time according to Auntie Ivy and in...
【单选题】Which of the following is characteristic of boys according to Abigail James' report?
A.
They enjoy being in charge.
B.
They conform. to stereotypes.
C.
They have sharper vision.
D.
They are violent and sexist.
【单选题】According to the conversation, James' flash mob will take place ______.
A.
inside a subway station
B.
at the mall
C.
at the park
D.
none of the above.
【多选题】属于电流驱动的器件是()。
A.
IGBT
B.
GTR
C.
P-MOSFET
D.
SCR
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