读下图——某气象站测得该市某日的气温数值,该日气温的日较差是
A.10°C
B.20°C
C.38°C
D.5°C
答案:A
单词题。
1. How _____ sheep are there on the hill? (much)
2. I don't like to drink m_____, but I like yogurt.
3. Put _____ (they) on the sandwich, please.
4. You need _____ (add) some red sugar to the soup.
5. How do you make a banana _____ _____ (奶昔)?
6. Finally put the three s_____ of chicken toghter.
7. January is the f_____ month of the year.
8. My book is on the t_____ of the bookshelf.
关于脂肪乳剂静脉注射混合液稳定性说法中正确的是
A.氨基酸在混合液中不够稳定B.脂肪乳剂在混合液中可稳定存在一段时间C.氨基酸能促进维生素A的降解D.肠外营养溶液能促进微量元素硒的降解E.脂肪乳剂粒子的聚集速度随电解质浓度的提高而降低