适用于内镜消毒的消毒剂是______
A.过氧乙酸 B.戊二醛 C.环氧乙烷 D.乙醇 E.碘伏
参考答案:B
解析: 戊二醛适用于不耐热的精密仪器、医疗器械的消毒与灭菌。
根据下列句子及所给汉语注释,写出空缺处各单词的正确形式,每空只写一词。
小题1:Cindy told me it was her __________ (第二) time to visit China
小题2:Thanks to the government, we can spend _________ (少的) money on TVs and things like that.
小题3:What about reading aloud to practice _____________ (发音)?
小题4:My parents always tell me the__________(重要性)of working hard.
小题5:Although it was expensive, we _____________(决定) to buy it.
为提高出口货物在国际市场上的竞争能力,世界各国一般对本国实行()制度。
A.征收增值税
B.征收消费税
C.免征所得税
D.出口退税