设全集U={x∈N+|x<6},集合A={1,3},B={3,5},则∁U(A∪

题型:选择题

问题:

设全集U={x∈N+|x<6},集合A={1,3},B={3,5},则∁U(A∪B)=(  )

A.{1,4}

B.{1,5}

C.{2,4}

D.{2,5}

考点:集合间交、并、补的运算(用Venn图表示)
题型:选择题

单词拼写(每题1分,满分10 分)

小题1:When i_____________ to the strangers, I felt a bit shy.

小题2:Many of us know the famous saying “F________ is the mother of success.”

小题3:On National Day the Summer Palace is c_________ with people every year.

小题4:People t________ the world celebrate New Year in various ways.

小题5:People don’t like children who b__________ badly in their daily life.

小题6:I have made great progress this term so my parents are s___________ with me.

小题7:With the boy leading the way, we had no d____________ in finding his house.

小题8:Everything taken into c_______________, he has done a good job this time.

小题9:As Christmas is a___________, we are getting ready to celebrate it.

小题10:T__________ to your help, we accomplished the task ahead of schedule.

题型:选择题

以下叙述正确的有( )。

A.基金规模越大,基金管理费率越高

B.基金托管费是指基金保管人为托管基金资产而从基金收益中计提支付给信托人的费用

C.基金规模越大,基金托管费率越低

D.目前我国封闭式基金根据基金契约的规定比例计提,通常低于2.5‰

题型:选择题

(4分)选择下列物质填空(填写序号):

①金刚石 ②干冰   ③氩晶体  ④白磷   ⑤氯化钙   ⑥过氧化钠

⑦石英   ⑧石墨   ⑨氯化铵  ⑩铜晶体

(1)固态时能导电的有               

(2)熔化时不破坏化学键的有                 

(3)含有配位键的有                 

(4)含有非极性共价键的有              

题型:选择题

在系统运行正常时,除投入运行的AGC机组外各发电厂应依照()接带负荷,不得随意增减出力。

A、请示调度同意

B、调度计划曲线

C、等待调度命令

D、机组安全状况

题型:选择题

男性,34岁,劳累后气急1年,近2个月来乏力、纳差伴腹胀就诊。体检:颈静脉充盈显著,心界轻度增大,心率100次/分,律齐,可闻及舒张早期额外心音。两肺呼吸音清,肝因大量腹水未能扪清,下肢水肿。X线检查示右侧胸腔轻至中度积液,心影呈三角形,搏动减弱,左、右心缘平直,未见心包钙化影。

本例测量血压时,发现吸气时血压下降30mmHg,此现象可见于下列疾患,除了

A.大量胸腔积液

B.心包缩窄

C.支气管哮喘

D.右心衰竭

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