In the 1960s and 1970s, tennis enjoyed a huge growth as some of the new professional stars, especially women, stimulated amateurs.()

The material used to produce a sand painting is ______. 日本统计协会1999年统计的数据表明，从1960到1970年，三大城市圈的人口从3190万人增加到（） 19. — Could you tell me how the sea sand comes about ? — Sea waves dash against the rock. In this way , the sea sand ___ . The road was covered with sand the heavy sandstorm.[ ] The bottle was partially filled with wet sand.　　 From the letter we can learn that Sand River _______. Plenty of sand is the natural condition for the being of polders. ________, Coca-Cola began to enter China’s market.: In 1970s|In 1970’s|In the 1970s|In the 1970s’ 1946-1949年，美国对外投资增加了近50%，到1970年，美国资本输出总额达1555亿美元，占资本主义世界的一半左右；世界出口贸易总额平均年增长率1948-1960年为6.8%，1960-1965年为7.9%，1965-1970年为11%。导致上述情况的主要原因是（） A truck loaded with sand accelerates along a highway. The driving force on the truck remains constant. What happens to the acceleration of the truck as its trailer leaks sand at a constant rate throug What does a sand dollar look like according to Kara? The traditional Navaho does not allow copying of sand paintings because ______. The fact that reproductions of sand paintings are now commercially available shows that ______. The cast iron was melted and _____ into sand molds as soon as possible. For（）commodities as oil, sand and timber, rail is cheaper than road. As far as the European market is concerned, the writer thinks that Sand River products _______. As far as the European market is concerned, the writer thinks that Sand River products______ . When I passed the river, I saw some children ______ on the sand. The artist is so （） that he can make different changing pictures with sand. Their teacher was ill, so they sat inthe classroom__________.[ ]