单项选择题

What makes the new version missile hit the target more precisely

A. A new defense system.
B. An improvement over its predecessors.
C. A more precise navigation and control system.
D. A surface-to-surface navigation system.
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单项选择题
According to the news, how many people use Yiddish worldwide
A. Fewer than 50,000.
B. More than 50,000.
C. Fewer than 500,000.
D. More than 500,000.
单项选择题
About ______ new motor homes were sold last year.
A. 20,600
B. 46,000
C. 62,000
D. 186,000
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