在观测混凝土构件的裂缝时将测量仪交替布置在梁的受拉区段，如出现下列何种情形，则证明开始开裂。（）
A、某一测点仪器读数突然增大，相邻测点仪器读数也随之增大B
暂无解析
Doyourememberthebuilding____flewaredflagalltheyearround?
Ioftenthoughtofmychildhood,____Ilivedonafarm.
Idon’tknow______ashow.Canyoutellme?
Nancy:MayIseeyourdrivinglicenseandvehicleregistrationcard,please?
Dick:______.
IsTomatschooltoday?No,He’sathome______hehasabadcold.
