【判断题】商品质量认证的对象是质量、 体系、产品、过程或服务
【单选题】某3年期零息债券面值1000元,发行价格为900元。另有一期限、信用级别和到期收益率相同的附息债券,面值1000元,票面利率为5%,每年付息一次。则该债券的发行价格为()元。(答案取最接近值。)
【单选题】Not only _____ a promise, but also he kept it.
【单选题】检查苯巴比妥中性或碱性物质是采用的方法是( )
【简答题】A.He was a foreigner. B.The spokesman made adverse remarks. C.He made false reports. D.He committed crime.
【单选题】检查苯巴比妥中性或碱性物质是采用的方法是( )
【单选题】17【单选】检查苯巴比妥中性或碱性物质是采用的方法是( )
【简答题】A.He did not fight in the Revolution my War. B.He did not really exist. C.He was an important town leader. D.He was not the only messenger.
【单选题】_____________ that he did quite well in the exam.
A.
He made so rapid progress
B.
He made so rapid a progress
C.
His English made such rapid progress
D.
He made such rapid progress.
【单选题】The sudden rain made _______ for the singers to put on performances. [ ]