问题
选择题
在制作人的口腔上皮细胞装片时，应在载玻片的中央滴上一滴 [ ]
A．清水
B．生理盐水
C．碘液
D．酒精
答案
答案：B
搜题请搜索小程序“爱下问搜题”
在制作人的口腔上皮细胞装片时，应在载玻片的中央滴上一滴 [ ]
A．清水
B．生理盐水
C．碘液
D．酒精
答案：B
| 根据对话内容，从所给选项中选出能填入空白处的最佳选项，并将其字母标号填入相应的横线上。 选项中有两项为多余选项. | |
| A: Hi, Tina, 1____________? B: It was fantastic, really fantastic. A: 2____________? B: No, I didn't. 3______________. Look, here are my photos. A: 4____________? B: No, there weren't any sharks, but there were some really clever seals. A: Wow, 5_____________. What else did you do? B: Well, I hung out with my friends and I took lots of photos. | |
|
