Many people are worried about the silicon chips because ______.
A.the new technology may introduce on people's privacy
B.they cannot get the implanted chips removed
C.the new laws about the technology might be abused
D.they are not assured of the effect of the chips
第8题
压力容器按设计温度可分为常温容器、高温容器和低温容器。设计温度等于或低于()℃的为低温容器。
A.-10
B.-20
C.-30
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