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【判断题】
3轧钢工换辊前应了解所换轧辊直径和辊型,检查备用辊的轴承座注油情况,导板、刮鳞板安装情况,换辊小车及吊辊钢丝绳是否正常,否则重新调整或准备。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Kate: Is Rio de Janeiro like San Francisco?
A.
Ana: Oh, no. They're not the same. Rio is very active at night, but San Francisco isn't.
B.
Rio is more active than San Francisco.
【单选题】Kate: Do you prefer San Francisco or Los Angeles?
A.
Los Angeles is better than San Francisco.
B.
Los Angeles isn't as nice as San Francisco.
【简答题】SAN FRANCISCO—A phone app (应用程序) in San Francisco gives information about open parking spots. City officials in San Francisco introduced the app to try to reduce traffic jams in the city, but some say...
【简答题】San Francisco and Shanghai are both major seaports and financial centers，but unlike Shanghai，San Francisco is hilly and surrounded by water on three sides．
【简答题】若下列程序运行时输入为 2.0 ,则程序的输出结果是______ 。 int main() { float a,b; scanf("%f",&a); if(a<0.0) b=0.0; else if((a<0.5)&&(a!=2.0)) b=1.0/(a+2.0); else if(a<10.0) b=1.0/2; else b=10.0; printf("%f\n",b); return 0; ...
【单选题】float a=2.0, b; 下列程序段的输出结果是_________。 if (a<0.0) b=0.0; else if( (a<5.0) &&(a!=2.0) ) b=1.0/(a+2.0); else if (a<10.0) b=1.0/a; else b=10.0; printf ("%f\n" , b);
A.
0
B.
0.5
C.
1
D.
0.25
【简答题】A．Because San Francisco is much bigger than Los Angeles. B．Because San Francisco is cleaner than Los Angeles. C．Because there is no bay in Los Angeles. D．Because it is more convenient to get around in...
【简答题】What is the Japanese population in San Francisco?
【单选题】What city is the advertisement's focus?
A.
San Juan
B.
San Diego
C.
San Felipe
D.
San Francisco
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