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【简答题】
用 K 2 Cr 2 O 7 作基准试剂，对 Na 2 S 2 O 3 溶液的浓度进行标定，共标定了6次，测得其物质的量浓度为 0.1029 mol·L -1 ， 0.1060 mol·L -1 ， 0.1036 mol·L -1 ， 0.1032 mol·L -1 ， 0.1018 mol·L -1 和 0.1034 mol·L -1 。 问上述6个测定值中，是否有可疑数值(用G检验法)？它们的平均值、标准偏差和置信度为95％时平均值的置信区间各为多少？
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举一反三
【单选题】词汇与结构 The rotation beacon and position lights should be turned on to ______ persons to keep clear of the propeller.
A.
alertness
B.
alert
C.
allergic
D.
allergy
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【简答题】After the pilot is seated in the cockpit and prior to starting the engine, all items and materials to be used on the flight should be arranged in such a manner that they will be readily available and ...
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【单选题】阅读程序: f(int b[],int n) { int i,r=1; for(i=0;i<=n;i++) r=r*b[i]; return r; } main() { int x,a[]={2,3,4,5,6,7,8,9}; x=f(a,3); printf("%d\n",x); } 以上程序的输出结果是( ).
A.
6
B.
24
C.
120
D.
720
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【单选题】阅读程序: f(int b[],int n) { int i,r=1; for(i=0;i<=n;i++) r=r*b[i]; return r; } main() { int x,a[]={2,3,4,5,6,7,8,9}; x=f(a,3); printf("%dn",x); } 以上程序的输出结果是( ).
A.
720
B.
6
C.
24
D.
120
查看完整题目与答案
【单选题】词汇与结构 If the engine compartment fire is oil-fed, as evidenced by thick black smoke, as ______ to a fuel-fed fire which produces bright orange flames, the pilot should consider stopping the propeller r...
A.
similar
B.
opposed
C.
symbolic
D.
contradict
查看完整题目与答案
【简答题】阅读程序，以下程序的输出结果是（ [填空(1)] ）。 f(int b[],int n) { int i,r=1; for (i=0;i<=n;i++) r＝r*b[i]; return r; } int main() { int x,a[]={2,3,4,5,6,7,8,9}; x=f(a,3); printf("%d\n",x); return 0; }A. 120
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【单选题】阅读下面的程序: public class test { public static void main(String args[]) { int i; float f = 2.3f; double d = 2.7; i = ((int)Math.ceil(f)) * ((int)Math.round(d)); System.out.println(i); } } 程序执行后,运行结果为以下哪个...
A.
9
B.
5
C.
6
D.
6.1
查看完整题目与答案
【单选题】阅读程序: f(int b[],int n) { int i,r=1; for (i=0;i<=n;i++) r=r*b[i]; return r; } int main() { intx,a[]={2,3,4,5,6,7,8,9}; x=f(a,3); printf(“%d\n”,x); return 0; } 以上程序的输出结果是( )
A.
720
B.
6
C.
24
D.
120
查看完整题目与答案
【单选题】阅读下列程序说明和程序,在每小题提供的若干可选答案中,挑选一个正确答案 【程序说明】 输入一个正整数 n ,计算 1 ! +2 ! +3 ! +...+n !。 运行示例: Enter n: 3 1!+...+3!=9 Enter n: 5 1!+ ... +5!=153 【程序】 #include main() { int i, n; double fact, sum; printf("...
A.
sum = 0
B.
fact = 0, sum = 0
C.
fact = n
D.
fact = 1, sum = 0
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【单选题】Inspection of a vessel’s propeller during dry-dock should include .
A.
noting the condition of the fairwater
B.
inspection of the keyway
C.
logging inspection results in the official deck log
D.
all of above
查看完整题目与答案
相关题目：
【单选题】词汇与结构 The rotation beacon and position lights should be turned on to ______ persons to keep clear of the propeller.
A.
alertness
B.
alert
C.
allergic
D.
allergy
查看完整题目与答案
【简答题】After the pilot is seated in the cockpit and prior to starting the engine, all items and materials to be used on the flight should be arranged in such a manner that they will be readily available and ...
查看完整题目与答案
【单选题】阅读程序: f(int b[],int n) { int i,r=1; for(i=0;i<=n;i++) r=r*b[i]; return r; } main() { int x,a[]={2,3,4,5,6,7,8,9}; x=f(a,3); printf("%d\n",x); } 以上程序的输出结果是( ).
A.
6
B.
24
C.
120
D.
720
查看完整题目与答案
【单选题】阅读程序: f(int b[],int n) { int i,r=1; for(i=0;i<=n;i++) r=r*b[i]; return r; } main() { int x,a[]={2,3,4,5,6,7,8,9}; x=f(a,3); printf("%dn",x); } 以上程序的输出结果是( ).
A.
720
B.
6
C.
24
D.
120
查看完整题目与答案
【单选题】词汇与结构 If the engine compartment fire is oil-fed, as evidenced by thick black smoke, as ______ to a fuel-fed fire which produces bright orange flames, the pilot should consider stopping the propeller r...
A.
similar
B.
opposed
C.
symbolic
D.
contradict
查看完整题目与答案
【简答题】阅读程序，以下程序的输出结果是（ [填空(1)] ）。 f(int b[],int n) { int i,r=1; for (i=0;i<=n;i++) r＝r*b[i]; return r; } int main() { int x,a[]={2,3,4,5,6,7,8,9}; x=f(a,3); printf("%d\n",x); return 0; }A. 120
查看完整题目与答案
【单选题】阅读下面的程序: public class test { public static void main(String args[]) { int i; float f = 2.3f; double d = 2.7; i = ((int)Math.ceil(f)) * ((int)Math.round(d)); System.out.println(i); } } 程序执行后,运行结果为以下哪个...
A.
9
B.
5
C.
6
D.
6.1
查看完整题目与答案
【单选题】阅读程序: f(int b[],int n) { int i,r=1; for (i=0;i<=n;i++) r=r*b[i]; return r; } int main() { intx,a[]={2,3,4,5,6,7,8,9}; x=f(a,3); printf(“%d\n”,x); return 0; } 以上程序的输出结果是( )
A.
720
B.
6
C.
24
D.
120
查看完整题目与答案
【单选题】阅读下列程序说明和程序,在每小题提供的若干可选答案中,挑选一个正确答案 【程序说明】 输入一个正整数 n ,计算 1 ! +2 ! +3 ! +...+n !。 运行示例: Enter n: 3 1!+...+3!=9 Enter n: 5 1!+ ... +5!=153 【程序】 #include main() { int i, n; double fact, sum; printf("...
A.
sum = 0
B.
fact = 0, sum = 0
C.
fact = n
D.
fact = 1, sum = 0
查看完整题目与答案
【单选题】Inspection of a vessel’s propeller during dry-dock should include .
A.
noting the condition of the fairwater
B.
inspection of the keyway
C.
logging inspection results in the official deck log
D.
all of above
查看完整题目与答案