【判断题】VR是Virtual Reality的英文缩写,即虚拟现实,也被译为灵境或幻真。
【单选题】—It is _______he often fails in exams_______ makes his parents worried about him. —So, he has to work whole-heartedly.
【简答题】电阻器的精度等级为I,其允许误差±()%
【单选题】He often makes his sister _____ ,but that time he was made ___ by his sister. [ ]
【单选题】------ It is he often fails in the exams makes his parents worried about him. ------ So, he has to work whole- heartedly.
【多选题】以下有关创新扩散网络中意见领袖的表述中,正确的是( )
A.
意见领袖指率先接受创新、追求潮流的技术发烧友
【单选题】It is ______he often fails in exams ______makes his parents worried about him.
【单选题】It is ______ he often breaks the school rules ______ makes his headteacher unsatisfied with him.
【单选题】Tom often makes his brother _______ but yesterday he was made _______ by his brother. [ ]
【单选题】Tony often makes his sister _______, but this time he was made ______by his sister.