题目

For centuries, people have kept large amounts of cash at home during difficult times. 【1】. Metal coins and paper bills can be a source of worry rather than hope.The fear is that these objects probably touched by thousands of people could provide a way for the coronavirus to spread. 【2】. However, some businesses still refuse to accept cash and some countries have suggested that their citizens should stop using it altogether.【3】. Due to the ease of Internet ordering, many countries have slowly reduced cash use to the point where using it in large amounts seems unusual. Britain and Au已知下丘脑和垂体分泌的激素均为蛋白质类物质。请依据右图，下列叙述正确的是（ ）A．切除①，图中所列激素的合成及分泌量都将减少B．切除①，下丘脑分泌的激素将不能被运输到②C．若让该动物口服促性腺激素，则②活动将增强D．若让该动物口服雌性激素，则①活动将减弱