According to the passage, vitamin-deficiency diseases were caused by
A. not taking vitamin pills.
B. not having various fruits and vegetables.
C. eating an average American diet.
D. shortage of vitamind.
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What's the author's viewpoint about the models and their hairstyles and clothes？
A. Unbiased.
B. Indifferent.
Critical.
D. Appreciative.
The fashion industry makes profits by
A. selling the products at high prices.
B. creating a need in you.
C. helping you get rid of your shortcomings.
D. making you look more beautiful.
三国时期下列地区中经济发展水平最高的是()
A. 黄河流域
B. 西南地区
C. 江东地区
D. 荆州地区
What's experts' opinion about taking vitamin pills？
A. It is safe for our health.
B. It does more good than harm.
C. It may bring us some side effects.
D. It will reduce the length of colds.
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