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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Space is a dangerous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (67) our protective blanket on (68) . Light gets through, ...
A.
from
B.
than
C.
as
D.
away
【多选题】防静电水磨石的专用材料包括( )。
A.
1MQ限流电阻
B.
焊接管坡口
C.
耐压500V压敏电阻
D.
铜质接地端子,正六面体对边距20—22mm,高10mm,中间为直径8mm螺扣
E.
表面电阻小于1×103Ω且不溶于水的导电涂料,预制水磨石镀锡铜质导电带,有效截面积不小于2.5mm2,厚度1.2mm
【单选题】Space is a dangerous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (62) our protective blanket on (63) . Light gets throug...
A.
[A] with [C] under
B.
[B] from [D] for
【单选题】很多现代电子组件上均有明显的黄色防静电符号和名牌，以表明。（）
A.
应使用防磁工具来拆装静电敏感组件
B.
组件已经过防静电处理，不会因静电而损坏
C.
拆下静电敏感器件、电路板后必须装入金属箱内
D.
组件中的微处理器和大规模集成器件等对静电十分敏感，易于损坏