A．talking less B．learning a foreign language C．eating less rich food D．taking plenty of exercise
单项选择题When he traveled abroad, Mr. Smith （）
A．learned boxing B．forgot all about his business C．raised the level of production D．shook his head all the time
单项选择题In the last paragraph, the word temporary means（）
A．lasting for a short time B．not deep C．unimportant D．developing very slowly
