在甲状腺激素分泌的分级调节中,下列器官间的相互作用表述最准确的是
A:垂体→甲状腺→下丘脑
B:下丘脑→垂体→甲状腺
C:甲状腺→下丘脑→垂体
D:甲状腺→垂体→下丘脑
“洋商见我工商竞用新法,深中其忌,百般阻抑,勒价停市。上年江浙、湖北等省,绿丝、纺纱各厂,无不亏折,有歇业者,有抵押与洋商者。”据统计,1912年,全国工厂数为20749家,其中使用机器生产的只有363家,其他仍然依靠人力或畜力。有的企业到香港或外国注册,有的船只悬挂外国旗帜……请回答:
Last year, some groups of students in their community (社区) made a survey about "How do people spend their free time?" The following diagrams show some results of it:Diagram (1): Hours for people of different ages who surf the Internet in a week.Diagram (2): Different days people go to the library. (library attendance)Diagram (3): Different programs people like.根据上面三个图表内容,选择正确答案。