1£®a.(2019·È«¹ú¾í¢ó)Questions about subject content are generally welcomed. Before asking questions about the course design, read the syllabus and learning management system information to be sure the answer isn't hiding in plain sight.                                                    ÄÚÈÝ

b£®(2017·È«¹ú¾í¢ñ)There has been a recent trend in the food service industry toward lower fat content and less salt.                                                            º¬Á¿

c£®(ÉÂÎ÷¾í)The tray, and its contents, fell on a man who was just about to take a bite of his sandwich.                                                                ÀïÃæËùº¬µÄ¶«Î÷

2£®(2018·È«¹ú¾í¢ñ)We may think we're a culture that gets rid of our worn technology at the first sight of something shiny and new, but a new study shows that we keep using our old devices well after they go out of style.                                                               ¹ýʱµÄ

3£®(2017·±±¾©¾í)For a sudden heart failure, the single best chance for survival is having someone nearby step in and do CPR quickly.                                               Ë¥½ß