在项目销售的预热期,应以()为主。
A.广告推广
B.活动推广
C.品牌推广
D.促销推广
参考答案:A
The beach is not as ________ as it used to be. Let’s collect the rubbish.
A.clean
B.cleaner
C.cleanest
D.the cleanest
井架梯子入口处应设置“()”标志。