火灾报警系统中保护面积指一只火灾探测器()。
A.能探测的最大面积
B.能有效探测的面积
C.保护半径内的面积
D.以上都不对
参考答案:B
_______ Peter, Gary _______ football, so he is _______ to watch the football match tomorrow.
A.Unlike; dislikes; unlikely
B.Dislike; dislikes; unlikely
C.Unlike; unlikes; likely
D.Dislike; unlikes; likely
神经源性肿瘤好发部位是()
A.前下纵隔
B.中纵隔下部
C.中纵隔上部
D.后纵隔脊柱旁沟内
E.前上纵隔