问题
单项选择题
气体灭火系统进场检查时对系统组件检查数量为（）。
A、全数检查
B、按送检需要量检查
C、抽查80%
D、抽查50%
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
气体灭火系统进场检查时对系统组件检查数量为（）。
A、全数检查
B、按送检需要量检查
C、抽查80%
D、抽查50%
参考答案：A
| Look and choose the proper sentences. 看图，选择合适的句子。 |
 1. ( ) |  2. ( ) |  3. ( ) |
 4. ( ) |  5. ( ) |  6. ( ) |
| A. An airplane is fast. B. — Mum, may I go on a trip to Beijing? — OK, Li Ming! You work hard in school. You may go. C. We go on a trip by train. D. Jenny and Danny arrive in Shijiazhuang on January 19th. E. I love to go on trips. F. Danny and Jenny leave Canada on January 18th. |