Which of the following book about Mark Twain's travel experience brought him success as a public lecturer and also material for his first major literary success?
A. The Adventrues of Huckleberry Finn (1884)
B. Innocents Abroad (1869)
C. The Celebrated Jumping Frog of Calaveras County(1867)
D. The Gilded Age (1873)
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Which of the following is NOT a characteristic Feature of Tom Sawyer?
A. Engagement in mischiefs and tomfooleries.
B. A "model"boy: obedient, demure, and sneaky
C. Rebellion
D. Bravery
Which of the following statement is correct with Mark Twain?
A. Mark Twain is the first writer to use the speech of common Americans (vernacular language方言) in his books, which showed that simple American English could be as fine an instrument for great writing as more complex language
B. Mark Twain is a writer of local color（乡土特色）who captured American experiences as no other writer had.
C. Mark Twain is known for his humor. "But the source of humor is not laughter but sorrow." His last years were saddened by personal bereavement, his wife dying in 1904 and his daughter Jean in 1909.
D. All of the Above.
下列有关地球自转的叙述,正确的是()
A. 地球一刻不停地绕太阳自转,地轴始终指向北极星附近
B. 以不同恒星为参考点,地球自转一周的时间都是23时56分4秒
C. 一个太阳日是24小时
D. 地球自转一周的时间是确定的,所以恒星日与太阳日应该相等
据科学考察:火星的运行确实与地球有着相似之处,它的自转周期仅比地球长41分钟,它的自转轴倾角也只比地球的黄赤交角大33',火星上不仅有类似地球上的季节之分,还有“五带”之分。太阳直射点在火星表面的移动范围是()
A. 23°26'N至23°26'S
B. 22°54'N至22°54'S
C. 23°59'N至23°59'S
D. 23°31'N至23°31'S
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