问题
单项选择题
从接线盒、线槽等处引到火灾探测器底座盒、控制设备盒的线路均应加（）保护。
A、塑料穿管
B、金属软管
C、封闭线槽
D、半封闭线槽
答案
参考答案：B
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从接线盒、线槽等处引到火灾探测器底座盒、控制设备盒的线路均应加（）保护。
A、塑料穿管
B、金属软管
C、封闭线槽
D、半封闭线槽
参考答案：B
| 阅读理解。 | ||
| ||
| 1. Julia Morley is trying to _____. | ||
| A. find a job B. learn English C. travel around D. deliver milk | ||
| 2. How many foreign languages did Julia learn? | ||
| A. One. B. Two. C. Three. D. Four. | ||
| 3. Julia is interested in _____. | ||
| A. reading and wrting B. delivenng milk and taking food orders C. leaming languages D. traveling and playing football |