对a,b∈R,记max{a,b}=a,a≥bb,a<b,函数f(x)=max{|

题型:选择题

问题:

对a,b∈R,记max{a,b}=
a,a≥b
b,a<b
,函数f(x)=max{|x+1|,|x-2|}(x∈R)的最小值是(  )
A.0B.
1
2
C.
3
2
D.3
考点:函数的定义域、值域
题型:选择题

ride  past  weekday  homework  dinner  get breakfast  classmate  watch ball
    Sally is a good girl. She never    1   up late. Her mother wakes her up(唤醒)at 6:00 a.m. From a quarter    2   six, she begins to do sports. The she comes back and has    3   at six forty. After that, she goes to school. Sometimes she    4   her bike.
At school, Sally has seven classes on    5  . Sally is good at(擅长)English. She san speak English very well. After school she often plays    6   games with her    7  . Then she goes home by bus. She gets home before 6:00 p.m.. After
   8   she begins to do her    9  . Then she    10   TV for a while, she always goes to bed before half past ten.
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国际漫游业务由中国移动通信集团公司统一组织,通过()三个移动汇接局和国际局与国外的数字移动电话运营网络建立信令链路实现自动漫游。

A、南京

B、北京

C、上海

D、广东

题型:选择题

《神农本草经》谓“安五脏,和心志,令人欢乐无忧”的药物是()

A.郁金

B.香附

C.合欢皮

D.玫瑰花

E.绿萼梅

题型:选择题

高血压病病人,夜间出现左心衰竭,近2周未用洋地黄()

A.毛花甙丙0.4mg稀释后静脉缓慢注射

B.口服地高辛0.25mg,每天1次

C.口服地高辛0.25mg,每天3次,两天后改每天1次

D.用毛花甙丙0.2mg稀释后静脉缓慢注射,必要时2h后重复使用

E.暂不用洋地黄

题型:选择题

空气中间冷却器的组成是()

A.壳体,冷却组,端盖,隔板,水管弯头

B.壳体,冷却组,中间支承,隔板,水管弯头

C.壳体,冷却组,端盖,中间支承,弯头

D.壳体,冷却组,端盖,芯网,弯头

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