例题1:(镇江中考)1. It is because both in the north and in the south, Chinese can express hope for a happy life through the activity.
A. A special kind is the Fire Dragon Dance.
B. The Cloth Dragon Dance has a long history.
C. It is said that a disease swept through the village.
D. Why is the dragon dance so popular across China?
E. Where can people usually enjoy the dragon dance?
F. Now they still represent wisdom, power and wealth.
G. Dragon dancers have to work as a team to make the dragon come to life.
解析:D 根据下文“It is because both in the north and in the south, Chinese can express hope for a happy life through the activity.”可知,此处在解释原因,说明空处应是why引导的特殊疑问句。选项D“为什么舞龙在中国如此流行?”符合语境,与下文构成因果关系。

1.D 根据下文“It is because both in the north and in the south, Chinese can express hope for a happy life through the activity.”可知,此处在解释原因,说明空处应是why引导的特殊疑问句。选项D“为什么舞龙在中国如此流行?”符合语境,与下文构成因果关系。

训练1：（徐州中考）The other day, two tourists in China were banned(禁止) from visiting giant pandas all their lives. 1.
A. Bamboo is giant pandas' favourite food.
B. So, why shouldn't tourists feed pandas?
C. It is because they fed bamboo to pandas.
D. The food provided to pandas is also strictly checked.
E. Then they become angry and even hurt the zookeepers.
F. Giant pandas spend about 10 to 16 hours of their days eating.

训练 1 C 根据上文“two tourists in China were banned from visiting giant pandas all their lives”可知，两名中国游客被终身禁止参观大熊猫，可推知接下来会介绍原因。选项 C“那是因为他们给大熊猫喂过竹子。”符合语境，与上文构成因果关系。

例题2:(吉林中考)At that time, the conditions in China were too hard. 4. On April 24, 1970, China’s first man-made satellite(卫星), “Dongfanghong-1”, was successfully sent into the air.
A. I sensed his deep love for our country, too.
B. Who visited Qian Xuesen when he was in China?
C. At the age of 24, he went to America to study.
D. But Qian and his team still faced the difficulties bravely.
E. He is known as “the Father of China’s Space Program”.
F. In 1956, Qian Xuesen suggested starting a special organization.

4.D 根据“At that time, the conditions in China were too hard ... On April 24, 1970, China's first man-made satellite”可知，当时中国的条件很艰苦，但是钱学森和他的团队克服艰苦，最终成功研制出了中国第一颗人造卫星；选项D符合语境，与上文构成转折关系。