Which of the following is a prefix related to numbers?
A. mono
B. tion
C. bi
D. tri
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make more compact by or as if by pressing
A. compress
B. characteristic
C. indicate
D. presence
下列在饮食举止上表现文雅的一项是 。
A. 进餐在长辈落座前抢先坐下
B. 吃饭时狼吞虎咽
C. 夹菜时在盘中翻来翻去
D. 用餐时不大声喧哗、随意插话
工业革命时期,欧洲的矿业工人是通过什么方式来了解钢水的温度
A. 温度计进行测量
B. 红外探测器进行测量
C. 钢水的流动性
D. 钢水的颜色
defect or fault, especially in a person’s character
A. make sure
B. concisely
C. weakness
D. appropriately