慢性阻塞性肺气肿X线表现为()
A.肺透亮度增加
B.膈肌下降
C.肋骨变平,肋间隙增宽
D.心影增大,肺动脉膨出
E.肋膈角变钝
参考答案:A, B, C
教室里有一盏灯亮着,突然停电了,张老师拉了一下开关,如果这个班38名同学,每个人都拉一下,最后灯是开着还是关着的?请说说你的理由.
All the classmates were _______my suggestion that we read English every day.
A.in case of
B.in favor of
C.in honor of
D.in order of