In the US, all cases should be tried by a jury.
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A unanimous decision is needed for a grand jury to make a decision.
A. 对
B. 错
Federal crimes are mainly the responsibility of the Federal Bureau of Investigation (FBI).
A. 对
B. 错
应力圆上圆心角为α对应的两点,该两点对应的斜截面的夹角也为α
A. 对
B. 错
一点的应力状态可用无数个单元体表示,但点的应力状态对应的应力圆只有一个
A. 对
B. 错