单项选择题

预制混凝土桩达到设计强度的70％可以起吊，运输和打桩则要求达到设计强度的90％。
A、正确
B、错误

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Statute of Limitations refers to ______.()
A、the statutory limit on the number of depositions a lawyer can file
B、the number of statutes that may be used in prosecuting a case
C、the rung of the clock from the time a trial starts until it ends
D、legislative pronouncement that certain causes of action must be filedwithin a certain period of time to prevent “stale claims”

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国家的主权、统一、领土完整和安全遭受威胁时，国家主席会依照宪法和有关法律的规定，决定全国总动员或者局部动员。

A.正确
B.错误