活码指的是生成二维码后,内容发生改变的情况下二维码不用改变就可以扫描新内容。
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How many independent clauses does a simple sentence contain?
A. 1
B. 5
C. 2
A complex sentence contains 3 independent clauses, true or false?
A. true
B. false
What city in England did we learn about today?
A. Manchester
B. Liverpool
C. London
What special celebration in Rio, Brazil we learned about today?
A. Carnival
B. Saint Patrick’s Day
C. Independence Day