问题
单项选择题
球磨机给矿粒度小，产品要细，应加入直径较（）的球进行磨矿。
A．大
B．中
C．小
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
球磨机给矿粒度小，产品要细，应加入直径较（）的球进行磨矿。
A．大
B．中
C．小
参考答案：C
| 阅读理解。 | |||||||||||||||||||||
1. Which is the cheapest (便宜的) of all? A. Hat. B. T-shirt. C. Pants. D. Socks. 2. How much are two sweaters and a hat? A. $14. B. $20. C. $21. D. $22. 3. You can buy _______ in Mason’s Clothes Store. A. black pants B. a blue sweater C. a green hat D. red socks 4. You like red and you only have $6. You can buy _______. A. a sweater B. a hat C. a T-shirt D. two socks 5. You only have sixteen dollars. You can buy _______. A. a sweater and a pair of pants B. two T-shirts and a pair of socks C. two sweaters D. a sweater and two hats | |||||||||||||||||||||
