25.Johnny's mouth watered at the ____ of the delicious cake. A. sight B. light C. touch D. notice ...

19.But for water, people ____ not live on the earth. A. can B. will be able to C. make D. could ...

7.From the moment that an animal is born it has to make decisions. It has to decide which of the things around it are for eating, and which are to be avoided; when to attack and when to run away. The animal is, in effect, playing a complica...

1.Had he worked harder, he ____the exams. A. must have got through B. could get through C. would get through D. would have got through ...

20.Yhudi Menuhin, who died in Berlin on March 12, 1999, at the age of 82, was a child prodigy who fulfilled his promise to become one of the world's foremost violinists before extending his range to teaching and conducting. The gently spo...

14.Let's address the question of whether speed reading is even a desirable goal. I am an avid fiction reader. Consciously or unconsciously, readers of fiction appreciate the beauty in good writing. Occasionally I will read a passage or sent...

8.Don't risk ____ the chance which so many people dream of. A. losing B. to lose C. lost D. your life to lose ...

2.The children were surprised when the teacher had them ____ their books unexpectedly. A. closed B. to close C. closing D. close ...

10.Copper(铜)was the first metal that man learned to make.In some mountainous lands there were rocks streaked with green minerals.One day some rocks were accidentally heated by a roaring fire.When the fire burned low,little beads of copper ...

4.His mind had grown suddenly (numb) seconds seemed hours. A. acute B. insensitive C. indifferent D. painful ...