【单选题】后张法预应力混凝土张拉施工时,对构件进行超张拉的目的是为了减小( )。
【单选题】一般()的菜肴具有软烂、味浓、原汁原味的特点。
【简答题】人民警察依法执行下列()任务,遇有违法犯罪分子可能脱逃、行凶、自杀、自伤或者有其他危险行为的,可以使用手铐、脚镣、警绳等约束性警械。 A.执行逮捕 B.执行看押 C.盘查 D.执行审讯
【单选题】下列运算正确的是( )
D.
( 1 3 m-n)(- 1 3 m-n)=n 2 - 1 9 m 2
【简答题】整式加减计算题: (1)3a 2 -2a-4a 2 -7a; (2)3a 2 +5-2a 2 -2a+3a-8; (3)(7m 2 n-5mn)-(4m 2 n-5mn); (4) 1 3 (9a-3)+2(a+1) .
【单选题】choose the activities that happen in ballet club
A.
learning new movements
B.
watch dance programmes
【简答题】The guarantee could be if the company goes bankrupt.
【简答题】The donations had to stop, he explained, because if someone got sick, the company could be sued.