能自动发挥作用使宏观经济趋向稳定的政策效应叫（）
A.内在稳定器
B.乘数效应
C.奖抑效应
D.货币效应
参考答案：A
Activities in our school __________ sports, language learning and music _________.
A．include; also
B．including; too
C．cover; as well
D．covers; too
压力容器操作人员除应履行操作规程的规定，还应做好哪些工作？
