听较长对话，回答问题

Объяснение

There are two prices, so jot them down as you listen: the first computer 5,800, the second 4,500. The woman says the first is “太贵了” (too expensive) and asks “有便宜一点儿的吗？” (is there a cheaper one?). The seller offers “这个四千五百块” (this one, 4,500), which is the cheaper one. So the answer is “四千五百块”. “五千八百块” is the price of the expensive one, the main trap; “五千五百块” mixes digits from both prices.

Объяснение

This is a “rescheduling” dialogue: each turn offers a new time, and only the last one both people accept is the answer. Round 1: the man suggests “明天上午” (tomorrow morning), but the woman is “很忙” (very busy). Round 2: she asks “下午可以吗？” (is the afternoon OK?), but he “要回河内” (has to go back to Hanoi). Round 3: he asks “星期五上午呢？” (what about Friday morning?) and she says “没问题” (no problem). So the answer is “星期五上午”; “明天上午” and “明天下午” are traps because both were turned down.

Объяснение

When a dialogue has several numbers, note what each one belongs to: “两张” is the number of tickets, “三点” and “四点” are train times. The woman wants the “下午三点” (3 p.m.) train, but the clerk says “三点的没有了” (the three o’clock is sold out). He offers “四点的可以吗？” (is four OK?) and she agrees: “可以，给我两张” (yes, two please). So the answer is “四点”. “三点” is what she wanted at first but could not get; “两点” is a trap built on “两张” (two tickets), which is a quantity, not a time.