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【单选题】
在视图坐标系中,前视图使用的是什么坐标系?A.
世界坐标系
B.
屏幕坐标系
C.
万向坐标系
D.
局部坐标系
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反馈参考答案：
举一反三
【单选题】What are the three classes of factors that influence perception?
A.
factors in the setting, factors in the environment and factors in the motives
B.
factors in the perceiver, factors in the target and factors in the situation
C.
factors in the character, factors in knowledge and factors in experience
D.
factors in the personality, factors in the character and factors in the values
【简答题】two factors system
【多选题】关于Windows 7任务栏，下面描述中( )正确。
A.
任务栏可以位于屏幕的顶部、底部、最左边、最右边
B.
任务栏可以被隐藏
C.
任务栏的长度和宽度可以被任意
D.
改变任务栏中可以显示当前系统时间
【单选题】下列难溶盐的饱和溶液中 , [ Cu + ] 浓度最大的是
A.
CuCl ( K θ sp = 1.72 × 10 -7 )
B.
CuI ( Kθ sp = 1.27 × 10 -12 )
C.
CuBr ( Kθ sp = 6.27 × 10 -9 )
D.
CuSCN ( K θsp = 1.77 × 10 -13 )
【单选题】What is the relationship between present value factors and future value factors?
A.
The present value and future value factors are equal to each other .
B.
The present value factor is the exponent of the future value factor.
C.
The future value factor is the exponent of the present value factor.
D.
The factors are reciprocals of each other.
【简答题】下述函数统计—个字符串中的单词个数，单词是指处在空格之间的字符序列，请填空。 int word(char *s) { int num=0,flag=0; while(*s) { if(【 】=) flag=0; else if(【 】){flag=1;num++} } return【 】;}
【单选题】下列难溶盐的饱和溶液中, [Cu + ] 浓度最大的是( )。
A.
CuCl (Ksp = 1.72 × 10 -7 )
B.
CuBr (Ksp = 6.27 × 10 -9 )
C.
CuI (Ksp = 1.27 × 10 -12 )
D.
CuSCN (Ksp = 1.77 × 10 -13 )
【简答题】Factors of production
【简答题】下述函数用于统计一行字符中的单词个数，单词之问用空格分隔。 word_num(str) char str[]； {int i,num=0,word=0； fot(i=0;str[i]!=【 】;i++) if 【 】==)word=0； else if(word==0) { word=1； 【 】； } return(num)； }
【多选题】Some factors that affect child growth and development, these factors include:( )
A.
Heredity
B.
Nutyrition
C.
prenatal environment
D.
Illness and psychosocial factors
E.
hormones
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