五、閱讀測驗
You scratch your head and a shower of white flakes descends before your eyes. Is it snowing? Sadly, it’s not. You’ve just got
dandruff, and a quick look down at your shoulders, which by now is like a field covered with “snow,” shows you just how bad the
problem is. You quickly brush off the flakes of dead skin and pray that no one has noticed, because, despite the fact that over 50%
of people suffer from the complaint, dandruff can be embarrassing.
The basic cause of dandruff is simple and unavoidable: your skin is constantly renewing itself. As skin cells get older, they
get pushed outward, and then they eventually die and flake off. With most people, these flakes are usually too small to be
noticeable. For dandruff sufferers, however, skin cells are shed very quickly, or bind together to form large flakes. A number of
factors can cause this to happen. Eating certain types of sugary food, frequent exposure to extreme heat or cold, sweating, and
allergic reactions to hair products are all thought to trigger dandruff. But the condition’s main cause is a fungus which grows on
your scalp. For those likely to suffer from an attack of the problem flakes, this fungus grows quickly and, apart from causing
dandruff, can leave your skin itchy and red.
Help is at hand, though, in the form of specially medicated anti-dandruff shampoos. Chemicals in these shampoos help
remove dead skin cells and treat the flake-forming fungus. They won’t cure you of dandruff completely, but they should make
personal snowstorms a thing of the past.
【題組】80. About dandruff, which of the following is TRUE?
(A) Dandruff is actually our dead skin cells. (B)A small percentage of people suffer from this problem.
(C)The basic cause of dandruff is simple and can be avoided. (D) Anti-dandruff shampoos can completely cure people of dandruff.
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