皮皮学，免费搜题
登录
搜题
【单选题】
膀胱癌膀胱保留术后病人能憋尿者。即行膀胱灌注免疫抑制剂BCG或抗癌药,可预防或推迟肿瘤复发。每周灌注l次,共6次,以后每月l次。应持续多久( )A.
3个月
B.
6个月
C.
1年
D.
2年
E.
3年
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】GB2760-2014中食品防腐剂共( )种。
【单选题】— He hasn't finished the work up to now. —Well, he____ . [ ]
A.
ought have
B.
should have
C.
ought to
D.
should
【简答题】— He ought to have been warnedof the er. — ______, but he just wouldn’t listen tome. A. Soought he B. So he was C. Sowas he D. So he had
【单选题】下列不属于《食品安全国家标准 食品添加剂使用标准》(GB 2760-2014)中甜味剂的是( )
A.
环己基氨基磺酸钠(又名甜蜜素)
B.
三氯蔗糖(又名蔗糖素)
C.
糖精钠
D.
苯甲酸及其钠盐
【单选题】He _______ in Japan as he left by boat last month.
A.
ought to arrive
B.
ought to have arrived
C.
should arrive
D.
must arrive
【单选题】I suppose he ought to have known that,________?
A.
don’t I
B.
oughtn’t he
C.
do I
D.
ought he
相关题目：