Practice:
（1）I hope this concession of ours will set the ball rolling.
（2）Sometimes, walking the street at night, I've been so desperate that I've made up my mind to win the horse or lose the saddle.
（3）Why are you rushing around like a chicken with its head cut off? （4）He gets up very early and sits up very late and is burning the candle at both ends.
（5）I'd love to go out to lunch, but you know I'm living on a shoestring. （6）The competing interest groups confront each other with a show of passion and drama, sometimes over inconsequential matters or over a mere linguistic difference.
（7）During the war, he was an embryo surgeon, and joined the mobile medial team.
（8）Application of laser in medicine is still in its infancy.
（9）I was not one to let my heart rule my head.
（10）His success in this field has pushed his forerunners' point into the background.
（11）A nice enough young fellow, you understand, nothing upstairs. （12）There are three steps which must be taken before we graduate from the integrated circuit technology.
（13）The murder was foul and unnatural and for a long time even Gryce, veteran solver of police mysteries, was confounded by the simplicity of the crime.
（14）The gap between industrialized and developing countries, or between rich and poor continents is going to widen. Underdevelopment is still winning the battle.
（15）Bitterness fed on the man who had made the world laugh.
（16）The country was shockingly beautiful, and just as shockingly difficult to capture from the enemy.
（17）He had left a note of welcome for me, as sunny as his face. （18）The man was as strong as a horse, and his temper was as fierce as he was strong.。