In 1803 the United States purchased Louisiana from _____.
In 1803 the United States purchased Louisiana from _____.
下面的合成反应的人名反应是[img=332x76]1803b49fea55758.jpg[/img] A: Knoevenagel B: Grignard C: Benzoin D: Ullmann
下面的合成反应的人名反应是[img=332x76]1803b49fea55758.jpg[/img] A: Knoevenagel B: Grignard C: Benzoin D: Ullmann
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
49乘以49加49乘49加49的巧算,
49乘以49加49乘49加49的巧算,
1. 计算机辅助设计的英文为（ ）。 A: A BIM B: B CAD C: C CAE D: D FEA
1. 计算机辅助设计的英文为（ ）。 A: A BIM B: B CAD C: C CAE D: D FEA
The earth is _____ of the moon. A: 49 times the size B: 49 times the large C: 49 times the small D: 49 the size
The earth is _____ of the moon. A: 49 times the size B: 49 times the large C: 49 times the small D: 49 the size
国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923
国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923
霍尔效应哪一年发现的？ A: 1881 B: 1879 C: 1803 D: 1831
霍尔效应哪一年发现的？ A: 1881 B: 1879 C: 1803 D: 1831
The earth is _______ of the moon. A: 49 times the size B: 49 times size C: 49 times as big as that D: 49 times big
The earth is _______ of the moon. A: 49 times the size B: 49 times size C: 49 times as big as that D: 49 times big
The earth is ______ the moon. A: as 49 times big B: 49 times as bigger as C: 49 times as big as D: as big as 49 times
The earth is ______ the moon. A: as 49 times big B: 49 times as bigger as C: 49 times as big as D: as big as 49 times