【简答题】Passage One E l Ni n o is name given to the mysterious and often unpredictable change in the climate of the world. This strange __1__ happens every five to eight years. It starts in the Pacific Ocean ...
【单选题】Read the following sentence and answer the question: Most of the discarded plastic products end up in the ocean. In the Pacific Ocean, plastic garbage and other waste have already formed an island tha...
【单选题】Canada lies in the north part of North America. It stretches (延伸) from the Atlantic Ocean to the Pacific Ocean. To the north is the Arctic Ocean. Canada is the world's second largest country. It takes...
A.
The position, population and history of Canada.
B.
The position, population and industry of Canada.
C.
The position, population and different national races of Canada.
D.
The position, history and different national races of Canada.