家长学校的教育内容要根据家庭教育的需要和家长的现状来确定。()
参考答案:对
A powerful earthquake, _____ a magnitude of 6.3, struck the Indonesian island of Sumatra today, and at least 70 people.
A.measured; killing
B.to measure; killed
C.measuring; killed
D.measuring; having killed
减少电磁干扰的感应效应,应采取的基本措施是()。
A、建筑物或房间的外部屏蔽措施
B、设备屏蔽
C、静电屏蔽
D、以合适的路径敷设线路,线路屏蔽