When food and germs collect in a small crack , our teeth ____
A.send poison into the blood
B.begin to decay
C.become hard
D.make us feel quite ill

We shouldn't eat a lot of ____
A.Red rice
B.Fresh fruit
C.Chocolate
D.Fish

Sweets are harmful because they may make our teeth____________
A.crack
B.decay
C.painful
D.black

What is the main purpose of the passage?
A.To introduce the idea that dietary at increases the blood cholesterol level
B.To make people know about the relationship between eggs and cholesterol
C.To persuade people that eggs are unhealthy and should not be eaten
D.To convince people to eat 'designer' eggs and egg substitutes.

What has been the cause for changes in the sale of eggs?
A.increasing price
B.decreased production
C.dietary changes in hens
D.concerns about cholesterol

According to the author, which of the following may reduce blood cholesterol?
A.reducing egg intake but not fat intake
B.increasing egg intake and fat intake
C.decreasing egg intake and fat intake
D.increasing egg intake but not fat intake

Which of the following could best replace the word 'somewhat'?
A.in fact
B.a little
C.indefinitely
D.a lot

The word 'portrayed' could best be replaced by which of the following?
A.studied
B.destroyed
C.tested
D.described

According to the passage, egg substitutes cannot be used to make any of the following types of eggs EXCEPT____.?
A.boiled
B.poached
C.scrambled
D.fried

___________(71)
A.large
B.great
C.far
D.lost