内燃钢轨仿形打磨机,纸质主滤芯位于海绵滤芯下,应每()清理一次,可以轻磕或用高压空气小心吹洗。
A.1~2周
B.2~3周
C.4~6周
D.8~10周
参考答案:A
The girl _______ bike you took just now _______ at it.
A.her; very cross
B.her; was very cross
C.whose; to be very cross
D.whose; is very cross
商场如战场,一般的营销方式是战略支配战术,但是现代市场营销环境变幻莫测,使企业不能预测未来的竞争态势,这使得企业必须先找到一个行之有效的战术,然后再把该战术发展成为战略,这种市场营销方式被称之为( )
A.整合营销
B.绿色营销
C.逆向营销
D.关系营销