Yoga from ancient India started during 1970—1980 in Western countries. However, what has changed is not only the number, but also the style.

()1. How long has yoga been in Western people's life?
A. For at least 10 years.
B. For about 40 years.
C. For less than 30 years.
D. For over 100 years.
()2. Which style of yoga can you probably do if you want to lose weight?
A. Hot yoga.
B. Anti-gravity yoga.
C. Laughter yoga.
D. Hatha yoga.
()3. Laughter yoga can make one .
A. relaxed
B. silly
C. funny
D. tired
()4. Which of the following is TRUE according to the passage?
A. Gwyneth Paltrow is one of the hot yoga fans.
B. The style of yoga hasn't changed in the past years.
C. The temperature in a room for hot yoga is about $40°\mathrm{C}$.
D. Anti-gravity yoga and laughter yoga are good for our blood flow.

C
【短文大意】本文介绍了高温瑜伽、反重力瑜伽和爱笑瑜伽的运动方式和作用。
1. B 【解析】数字计算题。由短文第一句"Yoga from ancient India started during 1970—1980 in Western countries."可知,源于古印度的瑜伽在1970至1980年在西方国家兴起。由此可计算,距今四十多年了。
2. A 【解析】细节理解题。由第一栏对高温瑜伽的介绍"Fans of hot yoga believe it helps to lose weight."可知,高温瑜伽有助于减肥。
3. A 【解析】细节理解题。由第三栏对爱笑瑜伽的介绍"The aim is to relax yourself..."可知,爱笑瑜伽可以使人放松。
4. C 【解析】推理判断题。由对高温瑜伽的介绍中的"Imagine yourself in a room that is heated to about $40°C$... Yes, that's hot yoga."可知,高温瑜伽的室内温度应该是在$40°C$左右。