下列选项中,不属于生产工艺技术选择的原则是( )。
A.先进性
B.可靠性
C.安全性
D.有用性
参考答案:D
下列我国古代衣着织物的三种原料开始使用的先后顺序是
A.丝、棉、麻
B.麻、棉、丝
C.丝、麻、棉
D.麻、丝、棉
---You are quite different from your sister.
---Yes. We are both short. But my eyes are ________ than ________.
A.much bigger, his
B.more big, hers
C.bigger, hers
D.much bigger, him