赵某等人合伙抢劫，警察杨某等人赶到现场后,赵某等人均已逃跑。公安机关应当何时立案()
A. 应当在抓获其中一个犯罪嫌疑人以后立案
B. 应当在对犯罪现场进行初步勘验后立即立案
C. 应当在抓获全部犯罪嫌疑人以后立案
D. 应当在查清犯罪事实后立案
查看答案
There are many functions about advertisement. What are they?
Attract attention.
B. Arouse desire.
Create interest.
D. Stimulate action.
There are many criteria (标准) for a good advertisement? What are they?
A. Say the truth.
Be creative.
C. Be attractive.
D. Be up to date.
E. Stared by celebrity.
What contents are there in an advertisement?
A. The headline.
B. The body text.
C. The illustration.
D. Company name / Trade mark / Brand Name.
E. Logo & Slogan.
Match the following words with their Chinese meanings.
微信支付 
支付宝支付