单项选择题

What is the most important value in Japan? ( )
A、Indirectness
B、Never speaking loudly
C、Harmony
D、Always blaming oneself

你可能感兴趣的试题

单项选择题

临时使用移动工具 A.
【Ctrl】 B.
【Ctrl】+j C.
【Ctrl】+a D.
【Ctrl】+n

多项选择题

已知Service通信的代码，以下哪些语句会阻塞？
server.cppint main(int argc, char argv){ ros::init(argc, argv, "greetings_server"); //① ros::NodeHandle nh; //② ros::ServiceServer service = nh.advertiseService("greetings", handle_function);//③ ros::spin(); //④ return 0;}
client.cppint main(int argc, char argv){ ros::init(argc, argv, "greetings_client"); ros::NodeHandle nh; ros::ServiceClient client = nh.serviceClient("greetings"); //⑥ service_demo::Greeting srv; srv.request.name = "HAN"; srv.request.age = 20; if (client.call(srv)) //⑦ { .... } return 0;}

A．⑦
B．④
C．⑥
D．③