市场调查人员开始时总是先收集二手资料，以判断问题是否部分或全部解决了，不再需要去收集成本很高的一手资料。( )
参考答案：对
看图完成对话。
1. A: What's this in English?
B : It's _____.
A: And what are these?
B: They are _____ .
2. A: Wht's that in English?
A: And what are those? Are those buses?
B. No, They are _____ .
3. A: What's this in English?
B: They are _____.
4. A: What's this in English?
B: _____ an egg
A: And what are _____?
B: _____ are _____
5. A: What's that in English?
B: _____ a cake.
A: And what are _____? Are those cakes?
卡认领期满后无人认领的卡片，ＡＴＭ所属网点须剪角处理，登记（）。(五级、四级)
