A={'Good Math',[4 5 6 7];NaN,eps};A{1,1}(4)=( )。 A: A.d B: B.Good C: Good Math D: d Math

—I’ll fly to France for a holiday next month． —Great! ____________! A: A．Have a good time B: B．Good luck C: C．Glad to see you again

I don’t know him_______to ask for help. A: A.well enough B: B.good enough C: C.enough surely D: D.enough well

He is _______swimming. A: good on B: good for C: good with D: good at

Good A and good B are substitutes in production. The demand for good A decreases, which lowers the price of good A. The decrease in the price of good A ( ) A: decreases the supply of good B: increases the supply of good C: decreases the demand for good D: increases the demand for good

Running is often （） your health. A: good for B: good at C: good of D: good in

以下程序的运行结果是( )main(){ int j;j=20;for( ; j>=0 ; j-=20){ if( j ) printf(“Good!” );else printf(“Not good!”);}} A: Good!Good! B: Not good! C: Good! D: Good! Not good!

The goods here are _______. A: in a good condition B: in good conditions C: in good condition D: in the good condition

She has made______progress recently. A: so good a B: such a good C: so good D: such good

This is （ ） chance to be lost. A: too good B: a too good C: too good a D: too a good