多项选择题

常用的测距方法（）

A．钢尺测距
B．光电测距
C．光学测距
D．电磁波测距

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单项选择题

Use right preposition to fill in the blacks:
The plaintiffs owned a house next door the defendants’ factory. Sometimes black smoke from the factory chimneys would blow across the plaintiff’s garden. The plaintiffs sued the owners of the factory complaining (2) damage caused plants in their garden the smoke and loss of enjoyment of their property. They sought damages and an injunction to prevent the defendants using their premises as a factory.
The Court held that the owners of the factory were liable the plaintiffs the tort of private nuisance. The plaintiffs were awarded damages the loss of their plants and granted an injunction restricting the use of defendants’ property. It was reasonable that the defendants should use their premises as a factory but not ___ a way which would cause nuisance adjoining property. The injunction would apply until the defendants were able to control the smoke their chimneys
A、at
B、with
C、for
D、of

单项选择题

医疗废物达到包装袋或者利器盒的（）时，应当有效封口，确保封口严密。应当使用双层包装袋盛装医疗废物，采用鹅颈结式封口，分层封扎。

A、1/2
B、3/4
C、3/5
D、2/3