问题
单项选择题
真空系统防腐指设备（）防腐蚀。
A、内表面
B、外表面
C、内外表面
D、其它位置
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
真空系统防腐指设备（）防腐蚀。
A、内表面
B、外表面
C、内外表面
D、其它位置
参考答案：C
| 阅读理解。 | ||
| ||
| 1. Mr.Smith wants to go to Blue Water World with his family, so they can go there ? | ||
| A. at 5:00 p. m on Monday B. at 10:00 a. m on Tuesday C. at 2:00 p. m on Sunday D. at 11:00 a. m on Monday | ||
| 2. Mr. Liu wants to go to Blue Water World with his eight-year-old twin sons this Saturday | ||
| How much will they have to spend? | ||
| A.￥40 B.￥120 C.￥80 D.￥20 | ||
| 3. If you want to have a hot spring bath, you can call _____. | ||
| A. 555-5685 B. 555-5686 C. 555-5684 D. 555-5681 |
children