eli whitney was noted for inventing the cotton gin and developing the system of mass production of weapons with interchangeable parts. ()
第1题:
A. had
B. offered
C. shared
D. ate
第2题:
第3题:
LINGO程序中,限制一维数组变量Y取整数,下列写法正确的是()。
A.@gin(b(j):@for(y(j)));
B.@for(b(j):@gin(y(j)));
C.@for(b(j):@bin(y(j)));
D.@gin(y(j));
第4题:
第5题:
第6题:
LINGO程序中,限制一维数组变量Y取整数,下列写法正确的是()。
A.@for(b(j):@gin(y(j)));
B.@gin(b(j):@for(y(j)));
C.@for(b(j):@bin(y(j)));
D.@gin(y(j));