[单项选择]To prevent money laundering, ______.
A. banks need an effective audit.
B. banks need to focus mi "know- your- customer" policies.
C. banks need to detect and report suspicious transactions.
D. Both B and C

[单项选择]

Unless we spend money to spot and prevent asteroids (小行星) now, one might crash into Earth and destroy life as we know it, say some scientists.
Asteroids are bigger versions of the meteoroids (流星) that race across the night sky. Most orbit the sun far from Earth and don’t threaten us, But there are also thousands of asteroids whose orbits put them on a collision course with Earth.
Buy $ 50 million worth of new telescopes fight now. Then spend $ 10 million a year for the next 25 years to locate most of the space rocks. By the time we spot a fatal one, the scientists say, we’ll have a way to change its Course.
Some scientists favor pushing asteroids off course with nuclear weapons. But the cost wouldn’t be cheap.
Is it worth it Two things experts consider when judging any risk are: 1 ) How likely the event is; and2) How bad the consequences ff the event occurs. Experts think an asteroid big enough to destroy lots of life might strik
A. They are heavenly bodies different in composition.
B. They are heavenly bodies similar in nature.
C. There are more asteroids than meteoroids.
D. Asteroids are more mysterious than meteoroids.

[单项选择]To prevent a repetition of this dreadful occurrence, we must discover the ______ element in the food that was served.
A. unknown
B. toxic
C. kind
D. shameful

[单项选择]To prevent gastroesophageal reflux in a client with hiatal hernia, the nurse should provide which discharge instructions
A. Lie down after meals to promote digestion.
B. Avoid coffee and alcoholic beverages.
C. Take antacids before meals.
D. Limit fluids with meals.

[单项选择]

Cactus plants have spines that prevent animals from nibbling them.（）

A. mining
B. reaching
C. climbing
D. gnawing

[单项选择]Money makes money. To put it another way, the more you invest, the greater your potential profit will be.
A. 用钱造钱。把它放到一边，越多的投入，越大的利润。
B. 钱制造钱。换句话说，较多的投入使你的利润越大。
C. 钱变钱。换句话说，你投入越多，你潜在的利润就越大。
D. 钱生钱。换句话说，你投资越多，你的利润就可能越大。

[单项选择]The best way to prevent youngsters from taking soft drugs is ______.


A. to issue a ban on the sale of drugs
B. to punish the drug addicts
C. to give them a warm and loving family
D. to teach them principles

[单项选择]One way to prevent errors in advertising in different countries is to ______.

[单项选择]There was （　） to prevent the accident.
A. something could do
B. nothing we couldn't do
C. anything we could do
D. nothing we could do

[单项选择]Man cannot prevent the world from being polluted because_________.


A. people use too many man-made materials
B. the pupulation of the world is increasing faster
C. we are producing more cars, trucks and buses
D. we have more and more industry.

[单项选择]（）misunderstanding can prevent you from helping each other more.
A. Nothing but
B. Anything but
C. But for
D. Rather than