患者，女，55岁，间歇上腹痛2年多，近2个月来症状加重，食欲缺乏，体重有所下降。查体：贫血貌，上腹部轻压痛，肝脏肋下1.5cm，脾未触及。化验室检查：血红蛋白80g/L，大便常规未见异常，潜血阴性。

针对该病下列哪项理疗是错误的（）。

A.超短波

B.微波

C.紫外线

D.间动电疗法

E.奴弗卡因胃区直流电阴极导入

Buses were not able to go normally on the roads because of the heavy snow and more than

one student  _____ late for school that morning.  [ ]

A. have been

B. has been

C. were

D. was