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【单选题】
国家建立健全突发事件预警制度，可以预警的自然灾害、事故灾难和公共卫生事件的预警级别分为一级、二级、三级和四级，分别用( )标示。A.
红色、黄色、橙色、蓝色
B.
蓝色、黄色、橙色、红色
C.
蓝色、橙色、黄色、红色
D.
红色、橙色、黄色、蓝色
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举一反三
【单选题】Many of the scientists and engineers are judged _________ how great their achievements are.
A.
in spite of
B.
in ways of
C.
in favor of
D.
in terms of
【简答题】根据参考图片做出卡通模型
【简答题】The engineers have rejected the employers’’ proposals to end the strike and the other workers have come out in _____. A. opposition B. return C. sympathy D. readiness
【单选题】The Engineers are from Africa.轮机员来自非洲 01010015
A.
The Engineers are American.
B.
The Engineers are Australian.
C.
The Engineers are African.
D.
The Engineers are Canadian.
【单选题】Initially， the scientists and engineers seemed __________by the variety of responses people can make to a poem.
A.
depressed
B.
embarrassed
C.
bewildered
D.
reinforced
【简答题】将摄氏温度1=25°C的单位“°C”,换算成热力学温度T的单位”K" 解 根据数值方程 T/K-1/°C+ 273. 15 T= (t/°C +273. 15)K = (25°C/°C +273. 15)K. =298. 15K 【例4-2】将热力学温度T-273. 15K的单位“K",换算成摄氏温度t的单位“°C“
【简答题】将摄氏温度1=25°C的单位“°C”,换算成热力学温度T的单位“K"
【单选题】The Engineers are from Africa.
A.
The Engineers are American
B.
The Engineers are Australian
C.
The Engineers are African
D.
The Engineers are Canadian
【单选题】Some engineers are working on the ()of farm buildings into family homes.
A.
conversion
B.
constant
C.
missile
D.
mission
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