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(单选题)What is the mission of the newly launched aircraft? ( ) (单选题)Why was the launch canceled a week ago? ( ) (单选题)What does the word "aborting"mean in the first paragraph? ( (单选题)We can find answers to the following questions, except ( (单选题)Who first discovered this giant penguin? ( ) (单选题)Which penguin is the most similar to this giant penguin? ( (单选题)Which of the following statement is not true according to th (单选题)Which of the following cannot be known about the gigantic pe (单选题)What is the author's attitude towards this method? ( ) (单选题)How did Xi respond to Scott and Brian's opinions? ( )