单项选择题
A. There’s not enough room for them in Alaska. B. There may not be enough food for them in Alaska. C. They get pushed ashore. D. There are more whales to spread disease.
A. wants to attack only from outside the country B. wants to attack only from inside the country C. wants to attack both from outside and inside the country D. wants to attack only with bombs
A. forty-four B. one million C. 220 million D. 10,000