题目内容

5.The Computer Lab is inside the North Building.

A. 对
B. 错

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6.The canteen is on the right of the library.

A. 对
B. 错

7.Dorm 6 is on the Second Street.

A. 对
B. 错

8. The Campus Clinic is at the end of the bookstore.

A. 对
B. 错

减少环噪声引起的误报警的有效方法是

A. 采用双技术探测器
B. 检测报警设备故障
C. 采用MTBF较长的报警设备
D. 增大报警器增益