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【判断题】
我国第一家中外合资企业是上汽大众公司。A.
正确
B.
错误
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举一反三
【单选题】Woman:I'm sorry to say that the price you quote is too high.It would be very difficult for us to push any sales if we buy it at this price. Man: Well,if you take quality into consideration,you won't t...
A.
Cashier
B.
Customer
C.
Salesman
D.
Secretary
【单选题】W: I'm sorry to say that the price you quote is too high. It would be very difficult for us to push any sales if we buy it at this price. M: Well, if you take quality into consideration, you won't thi...
A.
Me ， too
B.
It's my pleasure
C.
With pleasure
D.
Thank you
【判断题】虽然熔融指数能很方便的表示热塑性聚合物的流动性高低,但是熔融指数测定时的剪切速率远低于成型过程中的实际剪切速率,故熔融指数不能完全代表成型时的实际流动能力。
A.
正确
B.
错误
【简答题】下列有关指定容器中水的主要作用的说法，错误的是（ ） 实验 装置 硫在氧气中燃烧 测定空气中氧气含量 铁丝在氧气中燃烧 探究燃烧的条件 主要作用 集气瓶中的水： 吸收反应放出的热量 量筒中的水： 通过水体积的变化得出空气中O 2 体积分数 集气瓶中的水： 冷却溅落的熔融物，防止集气瓶炸裂 烧杯中的水： 加热铜片温度， 隔绝空气 选项 A B C D A．A B．B C．C D．D
【简答题】在熔融指数实验中，用熔融指数仪在温度（）度，规定砝码（）g下测定（）分钟通过规定直径和长度的锐孔的熔融树脂的挤出速率．
【简答题】熔融指数是评价（）特别是聚烯烃的挤压性的一种简单而实用的方法，它是在熔融指数仪中测定的。
【简答题】This is too high___ S/N ratio (信噪比).
【单选题】The price of the goods in this shop is too high. I can buy only half the goods I bought in that shop and I’m paying ________.
A.
as three times much
B.
as much three times
C.
much as three times
D.
three times as much
【单选题】W: I'm sorry to say that the price you quote is too high. It would be very difficult for us to push any sales if we buy it at this price. M:Well, if you take quality into consideration, you w...
A.
He thinks the price is reasonable.
B.
He thinks the price is high.
C.
He thinks the woman is right.
D.
He thinks the woman is hard to deal with.
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