适宜于处理含颗粒杂质或易结晶溶液的蒸发的循环型蒸发器是()
A. 中央循环管式蒸发器
B. 悬筐式蒸发器
C. 外热式蒸发器
D. 列文式蒸发器
A:Is there any discount on this laptop?B:It’s already very cheap.Let’s make it 6,000 yuan.That’s as cheap as it can get.A:Done.According to the dialogue,().
A. the customer will not buy it.
B. the customer will get the laptop at the price of less than 6,000 yuan.
C. the customer can get a discount.
D. they made a successful deal finally.
---Do you mind if I smoke?---Well,actually,().
A. I’d rather you didn’t
B. go ahead
C. it doesn’t work
D. never mind
---I think I’d take the doctor’s advice and start running every morning.---Really?().
A. Good for you
B. That’s something
C. That’s OK
D. What a pity