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
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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
| Fill in the blanks. Complete the dialogue. 补全对话。 | |
| A: I 1 hungry, Mum. What is 2 supper? B: I 3 meat. Are your hands dirty 4 clean? A: I think they're 5 . I have to wash them. Let me 6 you 7 supper. B: Okay, thank you. Please. 8 the peas. A: Here you are. B: Supper is 9 ! Time for supper. A: It is 10 , Mum.
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