问题
单项选择题
以下关于苦杏仁中毒的叙述中错误的是()。
A.有毒成分是氰苷
B.中毒原因是能释放出氢氰酸
C.主要症状为缺氧表现
D.应首先使用的特效解毒剂是亚硝酸异戊酯和亚硝酸钠
E.可用1%美蓝代替硫代硫酸钠
答案
参考答案:E
以下关于苦杏仁中毒的叙述中错误的是()。
A.有毒成分是氰苷
B.中毒原因是能释放出氢氰酸
C.主要症状为缺氧表现
D.应首先使用的特效解毒剂是亚硝酸异戊酯和亚硝酸钠
E.可用1%美蓝代替硫代硫酸钠
参考答案:E
根据所给10个英语单句的意思, 从所给的15个词汇中挑选出10个合适的词或短语填空。
小题1:She told us an ________________story . 小题2:She entered the lab without ______________. 小题3:She is____________________ hearing from her boyfriend in Australia. 小题4:He ______________________________ music. 小题5:They decided to fly to Beijing _________________take a train. 小题6:Whether we’ll go for a picnic __________________ the weather. 小题7:You must ____________ for not being able to meet her on time. 小题8:On the Dragon Boat Festival people usually eat zongzi__________Qu Yuan,a great poet. 小题9:What he said ___________ me _________ my father, he once told me like that 小题10:Farmers have __________ a lot from the new policy(政策). |