To _____(工業(yè)的) areas, the most serious problem is how to reduce pollution.

I doubt whether we will__________out of it.?

A.have profit

B.have a profit?

C.make profit

D.make a profit?

The school _____ my father teaches is a world-famous one, _____ was set up 100 years ago.

A. where; which 　　　　　　　 B. which; which

C. /; where　　 　　　　　　　 D. where; that

Scientists believe native Americans arrived by crossing the land bridge that

connected Siberia(西伯利亞)and 　　　　more than 10，000 years ago．

___ smoking here will be fined.?

A. Who　 B. Whoever　 C. Anyone　 D. Who ever

In the flats Tom was the only man from ________ bedroom the thief had stolen much money.

A．whose B．whom

C．who D．where

He hasn’t got used __________ in the countryside yet.

　 A. live　　　 B. to live　 C. to living　　　　 D. living

The information on the Internet spreads much more rapidly than 　　　in the newspaper.

　 A．that　　　　 B．it　　　　　 C．those　　　 D．one

Travelers have camped and used packs for centuries. In 1914, the word “backpack” in relation to a travel pack first __31__ (appear) in America. Now backpacking is a popular outdoor activity. Backpacking involves hiking to a camping place. Hikers always carry packs __32__ contain food and necessary items. Backpacking usually involves at least one night of outdoor camping, and can last for months if hikers add to __33__ supplies along the way. Many __34__ (mountain) regions of the world are popular among backpackers.

Backpacking is __35__ (usual) done in groups of two or more, __36__ some backpackers will go hiking alone. __37__ (Depend) on the physical stress of the trip, people of most levels of fitness can take part in backpacking.

Some individuals use backpacking __38__ a method of travel, especially in Europe. Backpacking is a cheap and fun way to __39__ most parts of Europe. Traveling backpackers appreciate the convenience. __40__ is also a way to network (建立聯(lián)系) with a wide variety of individuals who meet in the course of traveling.

– Why did you leave that position?
          - I __________ a better position at IBM.
    A. offer B. offered   C. am offered  D. was offered