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【单选题】
为消除碳素工具钢中的网状渗碳体而进行正火,其加热温度是 。A.
Ac cm +(30~50℃)
B.
Ar cm +(30~50℃)
C.
Ac 1 +(30~50℃)
D.
Ac 3 +(30~50℃)
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【单选题】阅读下面的程序 main() { int i,j; scanf("%2d %*3d %2d",&i,&j); printf("%d%4d",i,j); } 如果从键盘上输入 12 345 67 则程序的运行结果是 ( )
A.
12 67
B.
12 345
C.
12345
D.
程序语法出错
【单选题】听力原文： Why do people smoke? One reason is that people become addicted to cigarettes. The addictive substance in cigarettes is nicotine. When people smoke, the nicotine goes right into the blood stream ...
A.
Because they like the taste of tar.
B.
Because smoking makes them feel relaxed.
C.
Because smoking to them means fan.
D.
Because smoking is the easiest thing to get addicted to.
【简答题】Why are people interested in eating raw foods or whole foods? One reason is that eating these types of food reduces the risk of acid accumulation in your body. Raw and whole foods are usually digested...
【单选题】阅读下面的程序： public class Person{ int arr[ ]=Hew int[10]； public static void main(String args[ ]){ System.out.println(arr[1])； } } 正确的说法是______。
A.
编译时将产生错误
B.
编译时正确，运行时将产生错误
C.
输出为0
D.
输出为空
【单选题】阅读下面的程序段： public class Sun { public static void main(String args[ ]) { int a=0 for(int i=1i＜=3i++) { for(int j=1j＜-ij++) { for(int k=jk＜=3k++) { a=a+1 } } } System.out.println(A) 我 }}执行上面的3重循环后，a的值为( ...
A.
3
B.
9
C.
14
D.
21
【单选题】One reason is that the successful business owner is able to make_____if things do not work out exactly as planned.
A.
adjustments
B.
subjections
C.
promotions
D.
advertisements
【单选题】阅读下面的程序段： publiC class Sun { public static void main (String args[ ]) { int a=0 for(int i=1i＜=3i++) { for(int j=1j＜=ij++) { for(int k=jk＜=3k++) { a=a+1 } } } System.out.println(A) } } 执行上面的3重循环后，a的值为...
A.
3
B.
9
C.
14
D.
21
【单选题】阅读下面的程序 main() { int i,j; i=010; j=9; printf("%d,%d",i-j,i+j); } 则程序的运行结果是:D
A.
1,19
B.
-1,19
C.
1,17
D.
-1,17
【单选题】阅读下面的程序 main() { int i,j; i=010; j=9; printf("%d,%d",i-j,i+j); } 则程序的运行结果是( )。
A.
1,19
B.
-1,19
C.
1,17
D.
-1,17
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