题目

In early summer, one of the most popular fruit is strawberry(草莓). It is said strawberry is the Queen of fruit as it has many nutritious elements. But many people feel that the strawberry in the current market tastes different as many strawberries are artificially(人工地)grown and some even have a scent of pesticides(杀虫剂).So finding naturally-grown strawberries is a hot issue. There are some places where you can not only find tasteful strawberries, but also enjoy picking them. Tianxing Strawberry- Picking Garden As one of the biggest strawberry-growing areas, Tianxing is known for 下列现象由地球公转引起的是A．太阳每天东升西落B．合肥的小明发现合肥夏季烈日当空，冬季阳光斜射C．昼夜不断交替D．合肥的小明早晨给远在美国纽约的姨妈打电话，姨妈却说“晚上好”