According to the 4th paragraph, a great many poor people in American cities.
A. are faced with housing problems
B. are forced to move to the suburbs
C. want to sell their buildings
D. need more money for daily expenses
第1题:
Vingo showed the young people the pictures of his family which were _____ snapshots.
A. many-handling
B. much-handling
C. many-handled
D. much-handled
第2题:
A. many - to - one
B. one - to - one
C. one - to - many
D. many - to - many
第3题:
第4题:
A. Young
B. rich
C. elderly
D. poor
第5题:
第6题:
下面程序用来计算1+1/2!+1/3!+…1/10!,请完善程序。 #include <stdio.h> int main() { int i,j; sum=0,fac; for(i=1;i<=10;i++) { fac=1; for(j=1;j<=i;j++) fac=fac*j; sum=sum+1/fac; } printf("%f",sum); return 0; }