问题
多项选择题
油罐内壁腐蚀是因为油品中含有（）的作用而造成。
A.酸性物质
B.硫化物
C.水
D.杂质
答案
参考答案：B, C, D
搜题请搜索小程序“爱下问搜题”
油罐内壁腐蚀是因为油品中含有（）的作用而造成。
A.酸性物质
B.硫化物
C.水
D.杂质
参考答案：B, C, D
| 阅读理解。 | ||||
| Learning at home during winter vacation (寒假期间) may be a little boring. Why not go to Beijing, a nice city in China? There you can see many interesting things.
| ||||
| 1. When can you go to the Palace Museum? | ||||
[ ] | ||||
A. From 9:00 am - 5:00 pm on weekdays | ||||
| 2. You can call _____ if you want to go to the Great Wall. | ||||
[ ] | ||||
| A. 010-86057768 B. 010-86057735 C. 010-86057798 D. 010-86058897 | ||||
| 3. How much is it for two kids to visit the the Summer Palace? | ||||
[ ] | ||||
| A.﹩30 B.﹩60 C.﹩90 D.﹩ 120 | ||||
| 4. What is the address of the WangFujing Department Shop? | ||||
[ ] | ||||
A. NanHe Street | ||||
| 5. You can buy something at _____ in WangFujing Department Shop. | ||||
[ ] | ||||
| A. 6:00am B. 12:00pm C. 9:30am D. 8:00am - 11:30 pm |