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【单选题】
在禁火区需做动火作业时，必须取得动火证。做动火分析时，取样与动火的间隔不得超过 ( )min，如超过此时间，动火作业中间停止作业时间超过( )min，必须重新取样分析。A.
30，30
B.
30，60
C.
60，30
D.
60，60
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举一反三
【多选题】下列关于RISC和CISC正确的是 。
A.
复杂指令集系统CISC由硬件完成部分软功能，硬件复杂性增加，芯片成本高
B.
复杂指令集系统RISC芯片成本要高
C.
复杂指令集系统的寄存器相对较多
D.
复杂指令集系统CISC比精简指令集系统RISC相对来说指令数量更多
【简答题】CISC和RISC
【简答题】肉豆蔻的气味特征是( )。A.气特异,味微苦,嚼之有粘性B.气香,味辛凉,有麻舌感C.气微,味淡或微苦D.气香浓烈,味辛A. 1 B. 1 C. 1 D. 1
【单选题】Section A Directions: This section is to test your ability to give proper answers to questions. There are 5 recorded questions in it. After each question, there is a pause. The questions will be spoke...
A.
About 50 pages.
B.
It is very long.
C.
About 2 hours.
D.
It is 2 hours.
【单选题】Section B Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there are some recorded questions. The ...
A.
A blue sweater in size ten.
B.
A blue sweater in size eleven.
C.
A black sweater in size ten.
D.
A black sweater in size eleven.
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