Text engraved on tortoise shell and animal bone, called ( ).
A. oracle
B. the lesser seal character
C. big-seal style character
D. Chinese bronze inscriptions
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The ( ) were the first to use gunpowder for military affairs.
A. Chinese
B. Arabs
C. Europeans
D. Koreans
What might discover aliens? ( )
Aircraft carrier
B. FAST
C. Jiaolong(submersible)
D. Chang’
E. Lunar Exploration Projects
Submersibles that dive deeper are ( ).
A. larger in shape
B. smaller in shape
C. greater in quantity
D. smaller in quantity
In ____, the earliest extant was printed.
A. 868A.D.
B. 1150A.D.
C. 612A.D.
D. 121A.D.
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