问题
单项选择题
酒精消毒的最适宜浓度是（）。
A.100%
B.95%
C.75%
D.60%
E.45%
答案
参考答案：C
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酒精消毒的最适宜浓度是（）。
A.100%
B.95%
C.75%
D.60%
E.45%
参考答案：C
| 情景交际，从方框中选择适当的句子填空，补全对话。 | |
| A: Hello! What's your name? B: My name's Eric. A: 1 B: Fine, thank you. 2 A: Nice to meet you, too. 3 B: It's 353-73326. A: 4 B: His name is Tony. A: 5 . B: His phone number? Sorry, I don't know.
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