1、题目11:设函数f( )=2x-5,g(x+1)=f( ),则g( )的表达式为( )
A. 2x+1
B. 2x-3
C. 2x-5
D. 2x-7
https://www.shititong.cn/cha-kan/shiti/0005dd36-d705-0c30-c0c7-f71e22d0230a.html
点击查看答案
1、题目13:y=tanx的周期为( )
https://www.shititong.cn/cha-kan/shiti/0005dd36-d705-0c30-c0c7-f71e22d0230c.html
点击查看答案
1、题目57:集合A={x|0≤x<4且x∈Z}的真子集的个数是( )
https://www.shititong.cn/cha-kan/shiti/0005dd36-d705-1018-c0c7-f71e22d0231e.html
点击查看答案
1、题目8:设a,b∈R,集合{1,a+b,a}={0,b,b/a},则b-a等于( )
https://www.shititong.cn/cha-kan/shiti/0005dd36-d705-0c30-c0c7-f71e22d02307.html
点击查看答案
1、题目47:There are lots of () that students have to follow in school.
A. exercises
B. problems
C. skills
D. rules
https://www.shititong.cn/cha-kan/shiti/0005dd23-8dbd-7980-c0c7-f71e22d02317.html
点击查看答案
1、题目2:已知等差数列 {an} 中,a3+a4+a5=12 ,那么a1+a2+…+a7=( )
https://www.shititong.cn/cha-kan/shiti/0005dd36-d705-0c30-c0c7-f71e22d02301.html
点击查看答案
1、题目27:y=sin(2x+π/3)的周期为( )
https://www.shititong.cn/cha-kan/shiti/0005dd36-d705-1018-c0c7-f71e22d02300.html
点击查看答案
1、题目28:已知等差数列{an}中,a1=2,a2=4,则a4=( )
https://www.shititong.cn/cha-kan/shiti/0005dd36-d705-1018-c0c7-f71e22d02301.html
点击查看答案
1、题目58:--Peter is ill in hospital. --I’m not () to hear that.I’ve been telling him not to work so late
every day.
A. surprised
B. sorry
C. glad
D. excited
https://www.shititong.cn/cha-kan/shiti/0005dd23-8dbd-7d68-c0c7-f71e22d02302.html
点击查看答案
1、题目6:If you get on well () your classmates,you＇ll enjoy your school life more.
A. to
B. by
C. with
D. in
https://www.shititong.cn/cha-kan/shiti/0005dd23-8dbd-7598-c0c7-f71e22d02305.html
点击查看答案
