______ with new scientific farming methods, they have been able to use less farmland than

in the past.

   A. Equipped               B. Having equipped 

C. To be equipped           D. Equipping

Since then, finding ways to grow more peanuts ______ his life goal.

   A. has been        B. were          C. was         D. have been

You may find it _______ that Charlie was taught to sing as soon as he could speak.

A. astonishing      B. astonished       C. to be astonished       D. to be astonishing

Crops such as peas or soybeans put important minerals back into the soil, ______ it ready for crops that need fertile soil.

   A. makes         B. to make        C. made         D. making

This problem may _______ more serious ones if left unsolved.

A. come across      B. refer to        C. carry on      D. lead to

Nuclear science should be developed to benefit people _______ harm them.

A. more than      B. rather than        C. other than           D. less than

Your are ______ to suffer from bad health if you keep smoking.

A. likely        B. possible          C. probable          D. perhaps

What people like to eat is subjective, but ______ the northerners like dumplings while the southerners are fond of rice.

 A. by chance     B. in particular       C. at ease         D. in general

It was amazing that the army _______ its homeland against all enemies.

   A. defended      B. defeated       C. preserved        D. prevented

The up-to- date information together with opportunities for hands-on learning makes the

world _______ in a completely new way for visitors.

   A. cut off      B. come to life      C. crowd in         D. lose face