先张法预应力因没有管道，所以可以仅按张拉控制，不必以伸长量校验。 ()
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A．To search for the missing people.B．To investigate a fire on one of the islands.C．To
A. To search for the missing people.
B. To investigate a fire on one of the islands.
C. To look for the missing woman.
D. To rescue the British soldiers.
A．It is second-hand information and useless.B．It is gathered from other sources rather
A. It is second-hand information and useless.
B. It is gathered from other sources rather than from its inhabitants.
C. It is from the arguments about the country.
D. It is different from what one had before the travel.
A．Waved their hands.B．Shout and cried.C．Waved their shirts.D．Made a fire.
A. Waved their hands.
B. Shout and cried.
C. Waved their shirts.
D. Made a fire.
A．The residents.B．The passers.C．The soldiers.D．The police.
A. The residents.
B. The passers.
C. The soldiers.
D. The police.
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