检修完工后，应对设备进行( )、试漏、调校安全阀、调校仪表和连锁装置等。
A．试压
B．试温
C．测爆
D．清洗
参考答案：A
下列属于摄像辅助器材的有（）.
A.磁带
B.影视轨道
C.斯坦尼康
D.摇臂
Experts suggest that teenagers spend at least 30 minutes exercising, five times a week. Walking and riding your bike _____ , and ______.
A．counts; so are school sports
B．count; school sports count, either
C．count; so do school sports
D．counts; so school sports do
