【单选题】Hawaii, the newest state in the United States, is a 【C1】______ of eight large islands and many small 【C2】______ in the Central Pacific Ocean, about 2,200 miles west of San Francisco. Hawaii was probab...
【单选题】Building Confidence The two arms of Coega, South Africa's newest port, extend into the Indian Ocean gracefully. These are built from thousands of huge, oddly-shaped, 30-ton concrete blocks. They are d...