单项选择题A. Speaking politely and emotionally. B. Talking loudly to give a lasting impression. C. Talking a lot about the job. D. Speaking confidently but not aggressively.
单项选择题A. It is a small amount to pay for so much precious metal.B. It is difficult to judge the value of such an object.C. It is reasonable for an object with such an important function.D. It is too high for such a light weight.