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【单选题】
实验过程中要使用激光器,透镜L 1 (聚焦光束用),双棱镜,透镜L 2 (使虚光源成像用),接收光屏。在实验中,某同学先测量虚光源像点间距的测量,再测量干涉条纹间距,但是在测量条纹间距时,改变了前一步(测量虚光源像点间距)实验器件的前后位置,在保证实验现在仍在的情况下,则哪一种改动不会影响计算结果? ( )
A.
改变接收光屏位置
B.
改变双棱镜位置
C.
改变激光器位置
D.
改变透镜L 1 位置
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参考答案：
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【简答题】public class Example{ static String str=new String("good"); static char[] ch = {'a','b','c'}; public static void main(String args[]){ change(str,ch); System.out.print(str+" and "); System.out.print(ch...
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【单选题】The workers can ____ the waste things  ____ something useful.
A.
make, into
B.
change, into
C.
make, in
D.
change, to
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【单选题】寄生虫对寄生生活,最主要的适应性的表现是
A.
对湿度适应性强
B.
对寒冷抵抗力强
C.
有多个中间宿主
D.
生殖能力增强
E.
寄生虫形态变化,以适应外界生存
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【简答题】I had decided at the last minute to take my chances that the loans i had applied for would be approved, and that i could afford to come here
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【单选题】One of the union members wished to put a change of the policy, but it was ______ by the chairman.
A.
turned in
B.
set apart
C.
brushed aside
D.
put aside
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【简答题】下面程序的运行结果是( ) #include #include #define N 30 void change(char ch[]) { int i=0; while(ch[i]) { if(ch[i]>='a' && ch[i]='v' && ch[i]<='z') ch[i] -=21; i++; } } int main() { char ch[N]="ac8z" ; cha...
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【简答题】I had decided at the last minute to take my chances that the loans I had applied for would be approved, and that I could afford to come here.
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【单选题】According to t．he author，when some change in a product is necessary，a manufacturer will choose to__________ ．
A.
10wer the production cost
B.
hire a better designer
C.
improve its．Quality
D.
alter its image
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【简答题】Around the world coral reefs(珊瑚礁) are facing threats(威胁) brought by climate change and great changes in sea temperatures. While ocean warming has been the primary focus for scientists and ocean policy...
查看完整题目与答案
【判断题】轻混合动力系统电机并没有为车辆行驶提供动力。
A.
正确
B.
错误
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【简答题】public class Example{ static String str=new String("good"); static char[] ch = {'a','b','c'}; public static void main(String args[]){ change(str,ch); System.out.print(str+" and "); System.out.print(ch...
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【单选题】The workers can ____ the waste things  ____ something useful.
A.
make, into
B.
change, into
C.
make, in
D.
change, to
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【单选题】寄生虫对寄生生活,最主要的适应性的表现是
A.
对湿度适应性强
B.
对寒冷抵抗力强
C.
有多个中间宿主
D.
生殖能力增强
E.
寄生虫形态变化,以适应外界生存
查看完整题目与答案
【简答题】I had decided at the last minute to take my chances that the loans i had applied for would be approved, and that i could afford to come here
查看完整题目与答案
【单选题】One of the union members wished to put a change of the policy, but it was ______ by the chairman.
A.
turned in
B.
set apart
C.
brushed aside
D.
put aside
查看完整题目与答案
【简答题】下面程序的运行结果是( ) #include #include #define N 30 void change(char ch[]) { int i=0; while(ch[i]) { if(ch[i]>='a' && ch[i]='v' && ch[i]<='z') ch[i] -=21; i++; } } int main() { char ch[N]="ac8z" ; cha...
查看完整题目与答案
【简答题】I had decided at the last minute to take my chances that the loans I had applied for would be approved, and that I could afford to come here.
查看完整题目与答案
【单选题】According to t．he author，when some change in a product is necessary，a manufacturer will choose to__________ ．
A.
10wer the production cost
B.
hire a better designer
C.
improve its．Quality
D.
alter its image
查看完整题目与答案
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