[单项选择]Let's learn to use the problem we are facing ______ a stepping-stone to future success.
A. to
B. for
C. as
D. by

[单项选择]Let's learn to use the problem we are facing（）a stepping-stone to future success.
A. to
B. for
C. as
D. by

[单项选择]The biggest problem facing Chile as it promotes itself as a tourist destination to be reckoned with, is that it is at the end of the earth. It is too far south to be a convenient stop on the way to anywhere else and is much farther than a relatively cheap half-day flight away from the big tourist markets, unlike Mexico, for example.
Chile, therefore, is having to fight hard to attract tourists, to convince travelers that it is worth coming halfway round the world to visit. But it is succeeding, not only in existing markets like the USA and Western Europe but in new territories, in particular the Far East. Markets closer to home, however, are not being forgotten. More than 50% of visitors to Chile still come from its nearest neighbour, Argentina, where the cost of living is much higher.
Like all South American countries, Chile sees tourism as a valuable earner of foreign currency, although it has been far more serious than most in promoting its image abroad. Relatively sta
A. geographical location
B. guerrilla warfare
C. political instability
D. street crime

[单项选择]What is the latest problem facing people who drive to school


A. Pollution in the air.
B. A lack of parking.
C. Accidents with bicycles.
D. A lack of bridges.

[单项选择]What is the newest problem facing people who drive to school


A. Pollution in the air.
B. A lack of parking.
C. Accidents with bicycles.
D. A lack of bridges.

[单项选择]What is said to be the major problem facing young couples ______.


A. They need to fulfill more duties.
B. They are incapable of balancing the budget.
C. They have their children spoiled and overindulged.
D. They get empty-handed after divorc

[单项选择]A big problem facing people today is that ______.
A. they must tolerate phone disturbances or miss important calls
B. they must turn off their phones to keep their homes quiet
C. they have to switch from a desktop phone to a cellphone
D. they are too busy to make phone calls

[单项选择]What do we learn about the use of the American National Flag（）
A. There has been a lot of controversy over the use of flag.
B. The best athletes can wear uniforms with the design of the flag.
C. There are precise regulations and customs to be followed.
D. Americans can print the flag on their cushions or handkerchiefs.

[单项选择]We'll let you use the room（）you keep it clean and tidy.（）
A. as long as
B. on condition (that)
C. suppose
D. if

[单项选择]He has to learn to use chopsticks, ______ he married a Chinese wife.
A. though
B. since
C. if

[单项选择]What is the problem the modern people are facing, according to the conversation


A. They no longer suffer from hunger.
B. They are more efficient.
C. They enjoy lower infant mortality.
D. There is too much violence on TV.