感染过程包括以下哪几种形式 （ ）
A．病原体被清除
B．隐性感染
C．显性感染
D．病原携带状态
E．潜伏性感染
参考答案：A,B,C,D,E
根根句意及汉语提示，用词组填空。
1. I'm going to Shanghai on business next week. Can you ________ (照顾) my pet dog?
2. They told me it would be cheap. ________ (事实上) it cost me nearly 500 yuan.
3. Tomorrow is Mother's Day. I will ________ (起床) early to prepare breakfast for my mother.
4. I hear Maria went to Cuba last week. ________ (顺便问一下), when will she be back?
5. The old man is looking forward to ________ (收到……的来信) his daughter.
条形码技术特点及应用是什么？
