南大新题型预测test 2.doc

Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions
on Answer Sheet 1.
For questions 1-7, mark
Y (for YES) if the statement agrees with the information given in the passage;
N (for NO) if the statement contradicts the information given in the passage;
NG (for NOT GIVEN) if the information is not given in the passage.
For questions 8-10, complete the sentences with the information given in the passage.
Overview
Like many people, you may experience cabin fever during the winter months. Or, you may tend to eat more and sleep more when the temperature drops. But, seasonal affective disorder (SAD) goes well beyond those symptoms. SAD is much more than the winter blahs. It's a type of depressive disorder.
If you have SAD, winter's short days and long nights may induce feelings of depression, lethargy (嗜眠), fatigue, cravings for sweets and starches (淀粉), headaches, sleep problems and irritability. Exactly how many people have SAD isn't really known, but it's estimated that about 6 percent of Americans suffer from winter SAD, and another 10 percent to 20 percent may experience mild SAD symptoms. The disorder usually begins when you're a young adult. It's also mon in women than in men.
What causes SAD is unclear, but it may have to do with the amount of sunlight you receive. Although SAD can affect people anywhere, it e