听力原文:M: Good morning, can I help you?
W: How much does this microwave oven cost'?.
M: $280.
W: Can you give a discount for it?
M: Sorry, I can' t. The price is fixed.
W: Come on, Cut down the price just a little bit. I can buy it in another store, but I choose to buy it here as your store is nearer to my place.
M: Well, because I have to meet a quota in order to get my commission. OK. I'll take oft', let say, fifty dollars. How does that sound?
W: Oh, no. I was thinking maybe more in three digits. Something like one hundred?
M: Please. That's too much. Seventy-five, no more no less.
W: Give it two zeros like a hundred. I feel luckier with zeros.
M: Alright, eighty is the bottom line, we can't make any profit if the price is rower than $ 200.
W: OK, I'll take it. Be sure m have it securely packaged.
What does the woman want to buy?
A.A sweater.
B.An expensive pen.
C.A microwave oven.
D.A dishwasher.
第4题
在气一液色谱中,保留值实际上反映的物质分子之间的相互作用力是()。
A.组分和载气
B.组分和载体
C.组分和固定液
D.组分和载体、固定液
第5题
气相色谱中,调整保留值实际上反映了哪些部分分子间的相互作用()。
A.组分和载气
B.组分与固定相
C.组分与组分
D.载气与固定相
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