根据JB4708—92《钢制压力容器焊接工艺评定》的规定，对接焊缝试件和试样的检验项目有外观检查、()和力学性能试验。
Outsleepinfluencesourmood.ourmood,________,affectsourperformance
Ataskofthepostofficestaffisto_(class)mailaccordingtotheplacesitistogo
Whenwereturnedfromourvacation,ournextdoorneighborswere______anewgaragebuilt.
Thereisanincreasing_(tend)forwomentohavechildrenlaterinlife
Thefixedstarwasaplanet.（）