通常情况下,班前会由()组织召开,其要对每个人布置生产任务,传达安全注意事项,并做好工作动员等。
A.车间主任
B.班组长
C.财务人员
D.技术人员
参考答案:B
设函数f(x)=2x+3,g(x+2)=f(x),则g(x)的表达式是
A.2x+1
B.2x-1
C.2x-3
D.2x+7
Mr. black isn't here. He _______ to the library. [ ]
A. has been to
B. has gone to
C. went to
D. goes to