【单选题】-I didn’t go to the art show, because I lost my ticket. -You have borrowed mine. I didn’t go to see it anyway.
【单选题】女,30岁,。腹痛、腹泻伴里急后重3天。最初为稀便,2天后为黏液脓血便,偶见片状灰白色膜。该病最可能为哪种炎( )
【单选题】正弦脉宽调制(SPWM)的技术和实现原理,下列叙述哪个是不正确的?( )
A.
SPWM就是实现用一系列等幅不等宽的脉冲来代替正弦波
B.
要想改变等效输出正弦波,只要按统一比例改变各脉冲的宽度
C.
SPWM等幅不等宽的脉冲中,宽度的变化符合正弦规律。
【单选题】Not until he finished his homework him to watch TV in the evening .
B.
his mother had allowed
D.
had his mother allowed
【单选题】女,30岁。腹痛、腹泻伴里急后重3天。最初为稀便,2天后为粘液脓血便,偶见片状灰白色膜状物排出。此病变最可能的炎症类型是
【单选题】I didn’t go to the movie because I it before.
【单选题】女,26岁,2天来发热伴腹痛、腹泻,每日20余次,初为稀便,后为黏液脓血便,伴里急后重,粪便常规检查WBC20~30个/HP,RBC5~10个/HP该病例用抗生素治疗3天,症状好转即停药,有可能产生什么后果()
【单选题】女,30岁。腹痛、腹泻伴里急后重3天。最初为稀便,2天后为黏液脓血便,偶见片状灰白色膜状物排出。此病变最可能的炎症类型是
【单选题】女,30岁。腹痛、腹泻伴里急后重3天。最初为稀便,2天后为黏液脓血便,偶见片状灰白色膜状物排出。此病变最可能的炎症类型
【单选题】—His father likes going hiking. —________. [ ]