单项选择题

后天梅毒的一期、二期梅毒或感染后两年内无症状都属于早期梅毒，晚期梅毒指的是三期梅毒，或感染两年以上无症状的潜伏梅毒。（

A．对
B．错

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单项选择题

What is the main idea of paragraph 8 (starting line 89)? (Text 1A)
A、Big Brother is no longer watching us.
B、Democratic governments are the only governments that allow cameras.
C、People with cameras can help show how things really are in the world.
D、More governments are trying to ban the use of cameras in their countries.

Please tell what this bag is: ________ bag

答案： cross body或messemger