If you don't want to buy too much, don't use a t_______,use a basket.

Maybe some people didn't like his ideas, but Mr. Yang didn't_______ to speak upat the meeting. (hesitate)

Don`t_______(mind)whatIamtryingtosay.

―I thought you wouldn’t mind. ―Well, as a matter of fact, I don’t_______, but you me first. A: should ask B: should have asked C: must ask D: must have asked

Don’t_______ by Jerry. It is friendly. A: fright B: frightening C: frightened D: be frightened

Sorry. I didn't_______ you were there. A: mind B: notice C: observe D: look

液态金属结晶时，过冷度ΔT_______，自由能差ΔE______，液态金属结晶的倾向越大

Hi Mary, this is Diana at Johnson's Marketing Co. I didn't_______ the fax(传真)last night. Can you fax it again? I believe you have our fax number. It is_______Goodbye.

求解常微分方程组<img src="http://img1.ph.126.net/B8qMozAYz7oEzmWV3LBSvg==/6597340246519736485.png" />, 应用的语句是? DSolve[{x'[t]+y[t]==Cos[t],y'[t]+x[t]==Sin[t]},{x,y},t]|DSolve[{x'[t]+y[t]==Cos[t],y'[t]+x[t]==Sin[t]},x[t],y[t],t]|DSolve[{x'[t]+y[t]==Cos[t],y'[t]+x[t]==Sin[t]},{x[t],y[t]},t]|DSolve[x'[t]+y[t]=Cos[t],y'[t]+x[t]=Sin[t],{x[t],y[t]},t]

下述真值表表示的命题是。 Input Output p q r T T T T T T F F T F T T T F F T F T T T F T F T F F T T F F F T