（）是指对培训班所需的各项开支进行预算，并将预算方案上报核准。
A.经费准备
B.需求分析
C.聘请教师
D.后勤保障
参考答案：A
若复数z满足|z+3-4i|=2，则|z|的最大值为______．
— I hear Mr. Smith _______ a play about the life in a campus, do you know when it will be completed?
— Mm, not so sure. Maybe, next month.[ ]
A. wrote
B. has written
C. was writing
D. is writing
