Dinosaurs disappeared from our planet ____________ years ago.
A. at the time
B. millions of
C. kill
D. single
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The sudden ___________ of the boat made me feel sick.
A. movement
B. single
C. magical
D. millions of
Diamonds were once thought to have _________ powers.
A. value
B. once
C. illness
D. magical
_______ cars started to be built in factories, more people could afford to buy them.
A. Once
B. Millions of
Collection
D. Single
1、计价软件操作时，消耗量组价子目与清单项目是没有办法一起输入的。
A. 对
B. 错
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